| Rank
|
Page title
|
Views
|
Daily average
|
Assessment
|
Importance
|
| 1
|
Jimmy Carter
|
754,019
|
25,133
|
GA
|
High
|
| 2
|
Earth
|
426,238
|
14,207
|
FA
|
Top
|
| 3
|
Fracking
|
295,575
|
9,852
|
C
|
Top
|
| 4
|
Atomic bombings of Hiroshima and Nagasaki
|
277,714
|
9,257
|
GA
|
High
|
| 5
|
Three Mile Island accident
|
235,913
|
7,863
|
B
|
High
|
| 6
|
David Attenborough
|
180,425
|
6,014
|
GA
|
High
|
| 7
|
Bhopal disaster
|
174,110
|
5,803
|
B
|
High
|
| 8
|
Al Gore
|
147,535
|
4,917
|
GA
|
Mid
|
| 9
|
Greta Thunberg
|
138,010
|
4,600
|
GA
|
High
|
| 10
|
Tesla Cybertruck
|
135,305
|
4,510
|
C
|
Mid
|
| 11
|
The Day After Tomorrow
|
130,083
|
4,336
|
C
|
Mid
|
| 12
|
Omar Fayed
|
127,642
|
4,254
|
Start
|
Unknown
|
| 13
|
Industrial Revolution
|
126,581
|
4,219
|
C
|
Mid
|
| 14
|
Charles Darwin
|
122,263
|
4,075
|
FA
|
High
|
| 15
|
Kardashev scale
|
121,583
|
4,052
|
B
|
Low
|
| 16
|
Sustainable Development Goals
|
119,347
|
3,978
|
C
|
High
|
| 17
|
Fukushima nuclear accident
|
115,900
|
3,863
|
B
|
High
|
| 18
|
World population
|
105,203
|
3,506
|
B
|
Top
|
| 19
|
Climate change
|
100,053
|
3,335
|
FA
|
Top
|
| 20
|
Tsar Bomba
|
97,501
|
3,250
|
B
|
High
|
| 21
|
Asbestos
|
93,041
|
3,101
|
B
|
High
|
| 22
|
Nuclear weapon
|
93,014
|
3,100
|
C
|
High
|
| 23
|
Dark Waters (2019 film)
|
87,003
|
2,900
|
Start
|
Low
|
| 24
|
Music of the Spheres World Tour
|
85,459
|
2,848
|
GA
|
Mid
|
| 25
|
Air quality index
|
83,866
|
2,795
|
C
|
Mid
|
| 26
|
Fungus
|
82,379
|
2,745
|
FA
|
High
|
| 27
|
Green Party of the United States
|
79,455
|
2,648
|
C
|
Mid
|
| 28
|
BP
|
76,620
|
2,554
|
B
|
High
|
| 29
|
Rivian
|
74,400
|
2,480
|
Start
|
Low
|
| 30
|
Three Gorges Dam
|
73,927
|
2,464
|
GA
|
Mid
|
| 31
|
Agriculture
|
71,087
|
2,369
|
GA
|
High
|
| 32
|
Thermonuclear weapon
|
70,814
|
2,360
|
C
|
High
|
| 33
|
Amazon rainforest
|
70,782
|
2,359
|
B
|
Top
|
| 34
|
Ocean
|
67,746
|
2,258
|
B
|
High
|
| 35
|
Mercury (element)
|
67,232
|
2,241
|
GA
|
High
|
| 36
|
Ed Begley Jr.
|
66,623
|
2,220
|
Start
|
Mid
|
| 37
|
Carbon dioxide
|
66,239
|
2,207
|
C
|
High
|
| 38
|
Sustainable development
|
64,473
|
2,149
|
C
|
Top
|
| 39
|
Petroleum
|
63,877
|
2,129
|
C
|
High
|
| 40
|
Cancer
|
63,571
|
2,119
|
B
|
High
|
| 41
|
Dust Bowl
|
62,649
|
2,088
|
B
|
Mid
|
| 42
|
Pollution
|
62,291
|
2,076
|
B
|
Top
|
| 43
|
Agent Orange
|
61,258
|
2,041
|
GA
|
High
|
| 44
|
Shell plc
|
60,693
|
2,023
|
B
|
Low
|
| 45
|
Willem-Alexander of the Netherlands
|
60,563
|
2,018
|
C
|
Low
|
| 46
|
Deepwater Horizon oil spill
|
59,111
|
1,970
|
C
|
High
|
| 47
|
Lead
|
59,070
|
1,969
|
FA
|
High
|
| 48
|
Water pollution
|
58,815
|
1,960
|
B
|
High
|
| 49
|
ExxonMobil
|
58,054
|
1,935
|
B
|
Mid
|
| 50
|
Erin Brockovich (film)
|
57,993
|
1,933
|
C
|
Low
|
| 51
|
Ice age
|
57,159
|
1,905
|
B
|
High
|
| 52
|
Atmosphere of Earth
|
56,347
|
1,878
|
C
|
High
|
| 53
|
Extinction
|
54,211
|
1,807
|
C
|
High
|
| 54
|
Air pollution
|
53,985
|
1,799
|
B
|
Top
|
| 55
|
Life
|
53,621
|
1,787
|
GA
|
Top
|
| 56
|
Three Mile Island Nuclear Generating Station
|
52,215
|
1,740
|
C
|
High
|
| 57
|
List of countries by air pollution
|
51,622
|
1,720
|
List
|
Low
|
| 58
|
Tree
|
50,322
|
1,677
|
GA
|
Low
|
| 59
|
Epigenetics
|
49,963
|
1,665
|
B
|
Mid
|
| 60
|
Trinity (nuclear test)
|
49,575
|
1,652
|
FA
|
High
|
| 61
|
Prokaryote
|
49,049
|
1,634
|
C
|
High
|
| 62
|
Biodiversity
|
48,740
|
1,624
|
C
|
Top
|
| 63
|
Toyota Prius
|
48,423
|
1,614
|
B
|
Mid
|
| 64
|
Chlorine
|
47,967
|
1,598
|
GA
|
Mid
|
| 65
|
Waterworld
|
47,517
|
1,583
|
C
|
Low
|
| 66
|
Arsenic
|
46,926
|
1,564
|
B
|
High
|
| 67
|
Acute radiation syndrome
|
46,824
|
1,560
|
B
|
Mid
|
| 68
|
Bidet
|
45,657
|
1,521
|
C
|
Unknown
|
| 69
|
IUCN Red List
|
44,979
|
1,499
|
C
|
Mid
|
| 70
|
Halliburton
|
44,608
|
1,486
|
B
|
Unknown
|
| 71
|
El Niño–Southern Oscillation
|
44,362
|
1,478
|
C
|
High
|
| 72
|
Christiana Figueres
|
44,135
|
1,471
|
C
|
Low
|
| 73
|
Abiogenesis
|
44,104
|
1,470
|
GA
|
High
|
| 74
|
Centralia mine fire
|
43,451
|
1,448
|
C
|
Mid
|
| 75
|
Great Stink
|
43,120
|
1,437
|
FA
|
Low
|
| 76
|
Conservation status
|
42,955
|
1,431
|
C
|
Mid
|
| 77
|
Cigarette
|
42,857
|
1,428
|
B
|
Mid
|
| 78
|
Environmental, social, and governance
|
42,406
|
1,413
|
C
|
Mid
|
| 79
|
Deforestation
|
41,886
|
1,396
|
B
|
Top
|
| 80
|
Fossil fuel
|
41,722
|
1,390
|
C
|
High
|
| 81
|
Al-Khwarizmi
|
41,719
|
1,390
|
B
|
Low
|
| 82
|
Coal
|
41,200
|
1,373
|
C
|
Top
|
| 83
|
Palm oil
|
40,818
|
1,360
|
B
|
Mid
|
| 84
|
Waste management
|
40,619
|
1,353
|
B
|
Mid
|
| 85
|
Benzene
|
40,554
|
1,351
|
B
|
High
|
| 86
|
Tesla Model 3
|
40,442
|
1,348
|
B
|
Low
|
| 87
|
Prisoner's dilemma
|
40,257
|
1,341
|
C
|
High
|
| 88
|
Ecosystem
|
40,108
|
1,336
|
B
|
Top
|
| 89
|
Per- and polyfluoroalkyl substances
|
39,386
|
1,312
|
C
|
High
|
| 90
|
Plastic
|
39,262
|
1,308
|
B
|
High
|
| 91
|
Tesla Model Y
|
39,247
|
1,308
|
C
|
Mid
|
| 92
|
Julia Butterfly Hill
|
39,177
|
1,305
|
C
|
Mid
|
| 93
|
Radioactive decay
|
38,886
|
1,296
|
C
|
High
|
| 94
|
Paris Agreement
|
38,702
|
1,290
|
GA
|
Top
|
| 95
|
Tundra
|
38,568
|
1,285
|
B
|
Low
|
| 96
|
Greenhouse gas
|
38,046
|
1,268
|
B
|
Top
|
| 97
|
3M
|
37,972
|
1,265
|
B
|
Unknown
|
| 98
|
Solar panel
|
37,188
|
1,239
|
C
|
High
|
| 99
|
Castle Bravo
|
37,132
|
1,237
|
C
|
High
|
| 100
|
Breeder reactor
|
37,018
|
1,233
|
C
|
Low
|
| 101
|
Tragedy of the commons
|
36,839
|
1,227
|
B
|
High
|
| 102
|
McMurtry Spéirling
|
36,205
|
1,206
|
Start
|
Unknown
|
| 103
|
Plutonium
|
36,153
|
1,205
|
FA
|
High
|
| 104
|
Mustard gas
|
36,073
|
1,202
|
B
|
Mid
|
| 105
|
Sustainability
|
35,964
|
1,198
|
B
|
High
|
| 106
|
Tesla Model S
|
35,863
|
1,195
|
B
|
Top
|
| 107
|
Bromine
|
35,650
|
1,188
|
GA
|
Mid
|
| 108
|
Monsanto
|
35,575
|
1,185
|
C
|
Mid
|
| 109
|
Goiânia accident
|
35,532
|
1,184
|
C
|
Mid
|
| 110
|
John Muir
|
35,473
|
1,182
|
B
|
Unknown
|
| 111
|
Carbon monoxide
|
35,467
|
1,182
|
B
|
High
|
| 112
|
Chernobyl Nuclear Power Plant
|
35,239
|
1,174
|
B
|
High
|
| 113
|
Little Ice Age
|
35,234
|
1,174
|
B
|
High
|
| 114
|
Biome
|
35,160
|
1,172
|
C
|
High
|
| 115
|
Algae
|
35,157
|
1,171
|
B
|
Mid
|
| 116
|
Nuclear weapons and Israel
|
34,994
|
1,166
|
B
|
Low
|
| 117
|
Salton Sea
|
34,707
|
1,156
|
B
|
Mid
|
| 118
|
Air conditioning
|
34,538
|
1,151
|
C
|
High
|
| 119
|
Alliance 90/The Greens
|
34,151
|
1,138
|
B
|
Mid
|
| 120
|
Walden
|
34,099
|
1,136
|
C
|
Unknown
|
| 121
|
Microorganism
|
33,832
|
1,127
|
GA
|
High
|
| 122
|
Lucid Motors
|
33,737
|
1,124
|
C
|
Mid
|
| 123
|
Ozone layer
|
33,417
|
1,113
|
C
|
High
|
| 124
|
List of global issues
|
32,989
|
1,099
|
List
|
Low
|
| 125
|
Happy Feet
|
32,932
|
1,097
|
B
|
Unknown
|
| 126
|
Ozone
|
32,722
|
1,090
|
B
|
Mid
|
| 127
|
Tesla Roadster (first generation)
|
32,622
|
1,087
|
B
|
Low
|
| 128
|
Ecology
|
32,476
|
1,082
|
GA
|
Top
|
| 129
|
Great Pacific garbage patch
|
32,458
|
1,081
|
C
|
Mid
|
| 130
|
DDT
|
32,432
|
1,081
|
B
|
High
|
| 131
|
Natural environment
|
32,365
|
1,078
|
B
|
High
|
| 132
|
Renewable energy
|
32,318
|
1,077
|
B
|
Top
|
| 133
|
Greenhouse effect
|
32,222
|
1,074
|
C
|
Top
|
| 134
|
Styrene
|
32,035
|
1,067
|
Start
|
High
|
| 135
|
Diesel fuel
|
31,824
|
1,060
|
C
|
Mid
|
| 136
|
Water cycle
|
31,767
|
1,058
|
C
|
High
|
| 137
|
Biotechnology
|
31,585
|
1,052
|
C
|
High
|
| 138
|
Recycling
|
31,396
|
1,046
|
B
|
Top
|
| 139
|
Glyphosate
|
31,106
|
1,036
|
B
|
Mid
|
| 140
|
Keystone Pipeline
|
31,069
|
1,035
|
C
|
Mid
|
| 141
|
FernGully: The Last Rainforest
|
31,059
|
1,035
|
GA
|
Low
|
| 142
|
Bicycle
|
30,981
|
1,032
|
C
|
High
|
| 143
|
Endangered species
|
30,657
|
1,021
|
C
|
High
|
| 144
|
Chernobyl
|
30,603
|
1,020
|
B
|
High
|
| 145
|
Holocene extinction
|
30,601
|
1,020
|
B
|
High
|
| 146
|
Acid rain
|
30,535
|
1,017
|
B
|
Top
|
| 147
|
Nuclear power plant
|
30,528
|
1,017
|
C
|
High
|
| 148
|
Nuclear fission
|
30,152
|
1,005
|
B
|
High
|
| 149
|
Noise pollution
|
30,116
|
1,003
|
C
|
Mid
|
| 150
|
Nature
|
29,958
|
998
|
C
|
Top
|
| 151
|
Volkswagen emissions scandal
|
29,884
|
996
|
C
|
High
|
| 152
|
Great Smog of London
|
29,828
|
994
|
B
|
Low
|
| 153
|
Nuclear power
|
29,489
|
982
|
GA
|
High
|
| 154
|
Polystyrene
|
29,425
|
980
|
B
|
High
|
| 155
|
Younger Dryas
|
29,352
|
978
|
B
|
Low
|
| 156
|
Last Glacial Period
|
29,320
|
977
|
B
|
Low
|
| 157
|
Natural resource
|
29,072
|
969
|
C
|
Top
|
| 158
|
BMW i8
|
29,057
|
968
|
C
|
High
|
| 159
|
Arts and Crafts movement
|
28,193
|
939
|
B
|
Low
|
| 160
|
Malthusianism
|
28,147
|
938
|
B
|
Low
|
| 161
|
Hydroelectricity
|
28,084
|
936
|
C
|
High
|
| 162
|
Glacier
|
27,679
|
922
|
B
|
Low
|
| 163
|
Electric vehicle
|
27,534
|
917
|
C
|
Top
|
| 164
|
Formula E
|
27,387
|
912
|
C
|
Low
|
| 165
|
Projections of population growth
|
27,360
|
912
|
B
|
High
|
| 166
|
Rainforest
|
27,215
|
907
|
C
|
High
|
| 167
|
Chipko movement
|
27,105
|
903
|
C
|
High
|
| 168
|
National Oceanic and Atmospheric Administration
|
27,077
|
902
|
Start
|
Mid
|
| 169
|
Fusion power
|
27,074
|
902
|
B
|
Low
|
| 170
|
Soil
|
27,053
|
901
|
B
|
Top
|
| 171
|
Hydrazine
|
26,982
|
899
|
B
|
Mid
|
| 172
|
Weapon of mass destruction
|
26,485
|
882
|
C
|
Mid
|
| 173
|
Kessler syndrome
|
26,482
|
882
|
Start
|
Low
|
| 174
|
Environmental issues
|
26,380
|
879
|
B
|
Top
|
| 175
|
Bjørn Lomborg
|
26,233
|
874
|
B
|
High
|
| 176
|
Svalbard Global Seed Vault
|
26,152
|
871
|
B
|
Mid
|
| 177
|
Nuclear submarine
|
26,015
|
867
|
C
|
Unknown
|
| 178
|
Ecocide
|
25,877
|
862
|
B
|
Mid
|
| 179
|
World Wide Fund for Nature
|
25,865
|
862
|
C
|
Mid
|
| 180
|
Silent Spring
|
25,545
|
851
|
B
|
High
|
| 181
|
Diesel exhaust fluid
|
25,443
|
848
|
C
|
Low
|
| 182
|
Nuclear and radiation accidents and incidents
|
25,209
|
840
|
B
|
High
|
| 183
|
Crescent Dunes Solar Energy Project
|
25,208
|
840
|
Start
|
Low
|
| 184
|
Mining
|
25,109
|
836
|
B
|
High
|
| 185
|
Critically Endangered
|
24,936
|
831
|
Start
|
Mid
|
| 186
|
Van Jones
|
24,906
|
830
|
C
|
High
|
| 187
|
Ozone depletion
|
24,642
|
821
|
B
|
High
|
| 188
|
Nuclear warfare
|
24,466
|
815
|
C
|
Unknown
|
| 189
|
Pathogen
|
24,455
|
815
|
B
|
High
|
| 190
|
Organic farming
|
24,280
|
809
|
B
|
Top
|
| 191
|
Russia and weapons of mass destruction
|
24,255
|
808
|
Start
|
High
|
| 192
|
European emission standards
|
24,205
|
806
|
B
|
Mid
|
| 193
|
Wind turbine
|
24,142
|
804
|
GA
|
Mid
|
| 194
|
Polonium
|
24,084
|
802
|
GA
|
Mid
|
| 195
|
Love Canal
|
24,064
|
802
|
B
|
High
|
| 196
|
Anthropocene
|
23,809
|
793
|
B
|
Mid
|
| 197
|
Kyoto Protocol
|
23,630
|
787
|
C
|
High
|
| 198
|
Chernobyl exclusion zone
|
23,629
|
787
|
C
|
High
|
| 199
|
Exxon Valdez oil spill
|
23,608
|
786
|
B
|
Unknown
|
| 200
|
Cistern
|
23,552
|
785
|
Start
|
Mid
|
| 201
|
International Nuclear Event Scale
|
23,490
|
783
|
C
|
Mid
|
| 202
|
BMW i3
|
23,406
|
780
|
B
|
High
|
| 203
|
Carcinogen
|
23,380
|
779
|
C
|
High
|
| 204
|
Invasive species
|
23,313
|
777
|
GA
|
High
|
| 205
|
Mutual assured destruction
|
23,277
|
775
|
Start
|
High
|
| 206
|
National park
|
23,134
|
771
|
C
|
High
|
| 207
|
United States Environmental Protection Agency
|
23,023
|
767
|
B
|
High
|
| 208
|
Rainwater harvesting
|
22,963
|
765
|
C
|
Mid
|
| 209
|
Plug-in hybrid
|
22,773
|
759
|
B
|
Mid
|
| 210
|
Deepwater Horizon explosion
|
22,770
|
759
|
C
|
Unknown
|
| 211
|
Susan Collins
|
22,582
|
752
|
C
|
Low
|
| 212
|
15-minute city
|
22,546
|
751
|
C
|
High
|
| 213
|
Permethrin
|
22,408
|
746
|
C
|
Low
|
| 214
|
Solar energy
|
22,372
|
745
|
B
|
High
|
| 215
|
Fuel cell
|
22,368
|
745
|
B
|
High
|
| 216
|
Solar Impulse
|
22,367
|
745
|
B
|
Unknown
|
| 217
|
Botany
|
22,366
|
745
|
GA
|
High
|
| 218
|
Carbon footprint
|
22,090
|
736
|
C
|
Mid
|
| 219
|
Human impact on the environment
|
22,066
|
735
|
C
|
Top
|
| 220
|
Just Stop Oil
|
21,956
|
731
|
B
|
Low
|
| 221
|
Dichloromethane
|
21,846
|
728
|
B
|
Low
|
| 222
|
International Union for Conservation of Nature
|
21,811
|
727
|
C
|
Mid
|
| 223
|
Corporate social responsibility
|
21,775
|
725
|
B
|
Mid
|
| 224
|
Genetically modified food
|
21,601
|
720
|
B
|
Mid
|
| 225
|
Water conservation
|
21,577
|
719
|
C
|
High
|
| 226
|
Windmill
|
21,507
|
716
|
B
|
High
|
| 227
|
Population growth
|
21,450
|
715
|
C
|
High
|
| 228
|
Highest temperature recorded on Earth
|
21,408
|
713
|
C
|
Mid
|
| 229
|
Buckminster Fuller
|
21,345
|
711
|
C
|
Low
|
| 230
|
Fisker Inc.
|
21,037
|
701
|
C
|
Low
|
| 231
|
Green New Deal
|
21,008
|
700
|
C
|
Low
|
| 232
|
Minamata disease
|
20,990
|
699
|
B
|
Unknown
|
| 233
|
Rachel Carson
|
20,589
|
686
|
FA
|
High
|
| 234
|
Depleted uranium
|
20,398
|
679
|
B
|
High
|
| 235
|
Political positions of the Republican Party (United States)
|
20,376
|
679
|
C
|
Mid
|
| 236
|
Microplastics
|
20,339
|
677
|
C
|
Top
|
| 237
|
Weed
|
20,170
|
672
|
B
|
High
|
| 238
|
Least-concern species
|
20,138
|
671
|
Start
|
Low
|
| 239
|
Wind power
|
20,130
|
671
|
B
|
High
|
| 240
|
Greenpeace
|
20,033
|
667
|
C
|
High
|
| 241
|
Portland cement
|
19,959
|
665
|
B
|
High
|
| 242
|
Hinkley Point C nuclear power station
|
19,664
|
655
|
C
|
Mid
|
| 243
|
Water purification
|
19,545
|
651
|
B
|
High
|
| 244
|
Agriculture in India
|
19,540
|
651
|
B
|
High
|
| 245
|
Extinct in the wild
|
19,500
|
650
|
Start
|
Mid
|
| 246
|
Laurie David
|
19,497
|
649
|
C
|
Low
|
| 247
|
Fresh water
|
19,373
|
645
|
C
|
High
|
| 248
|
Polychlorinated biphenyl
|
19,352
|
645
|
B
|
High
|
| 249
|
Views of Elon Musk
|
19,299
|
643
|
B
|
Low
|
| 250
|
Patagonia, Inc.
|
19,292
|
643
|
C
|
Low
|
| 251
|
David Bale
|
19,284
|
642
|
C
|
Low
|
| 252
|
Carbon dioxide in Earth's atmosphere
|
19,066
|
635
|
C
|
Mid
|
| 253
|
Solar cell
|
19,025
|
634
|
B
|
High
|
| 254
|
Nuclear holocaust
|
18,960
|
632
|
C
|
High
|
| 255
|
Dana Rohrabacher
|
18,886
|
629
|
B
|
Mid
|
| 256
|
Permafrost
|
18,822
|
627
|
GA
|
Low
|
| 257
|
Electric car
|
18,766
|
625
|
C
|
Top
|
| 258
|
Biosphere
|
18,634
|
621
|
C
|
High
|
| 259
|
Eutrophication
|
18,607
|
620
|
B
|
High
|
| 260
|
NIMBY
|
18,598
|
619
|
B
|
Mid
|
| 261
|
United Nations Climate Change Conference
|
18,557
|
618
|
C
|
Unknown
|
| 262
|
Jevons paradox
|
18,502
|
616
|
GA
|
Mid
|
| 263
|
Enriched uranium
|
18,319
|
610
|
B
|
Mid
|
| 264
|
Nuclear winter
|
18,234
|
607
|
B
|
Low
|
| 265
|
Tesla Semi
|
18,172
|
605
|
C
|
Low
|
| 266
|
Rimac Nevera
|
18,171
|
605
|
Start
|
Unknown
|
| 267
|
Acetaldehyde
|
18,169
|
605
|
B
|
Mid
|
| 268
|
Chlorofluorocarbon
|
18,142
|
604
|
B
|
Top
|
| 269
|
Milankovitch cycles
|
18,075
|
602
|
B
|
Low
|
| 270
|
Albedo
|
18,071
|
602
|
B
|
Mid
|
| 271
|
Greenwashing
|
18,024
|
600
|
C
|
Mid
|
| 272
|
Teratology
|
18,011
|
600
|
C
|
Mid
|
| 273
|
Bushmeat
|
17,974
|
599
|
C
|
Mid
|
| 274
|
Tesla Model X
|
17,963
|
598
|
C
|
Unknown
|
| 275
|
United Nations Framework Convention on Climate Change
|
17,958
|
598
|
C
|
High
|
| 276
|
United Nations Convention on the Law of the Sea
|
17,934
|
597
|
C
|
High
|
| 277
|
Warfarin
|
17,915
|
597
|
GA
|
Mid
|
| 278
|
Median lethal dose
|
17,872
|
595
|
Start
|
High
|
| 279
|
Gaia hypothesis
|
17,840
|
594
|
C
|
Low
|
| 280
|
Porsche Taycan
|
17,830
|
594
|
B
|
High
|
| 281
|
Megadiverse countries
|
17,825
|
594
|
Start
|
Mid
|
| 282
|
Deb Haaland
|
17,768
|
592
|
B
|
Low
|
| 283
|
Wildlife
|
17,762
|
592
|
C
|
High
|
| 284
|
Climate change denial
|
17,662
|
588
|
C
|
High
|
| 285
|
Plastic pollution
|
17,574
|
585
|
B
|
High
|
| 286
|
Environmental science
|
17,551
|
585
|
C
|
Unknown
|
| 287
|
Phthalates
|
17,547
|
584
|
Start
|
High
|
| 288
|
Anne Hidalgo
|
17,531
|
584
|
C
|
Low
|
| 289
|
Soil contamination
|
17,507
|
583
|
C
|
Mid
|
| 290
|
Phosgene
|
17,496
|
583
|
B
|
Mid
|
| 291
|
Genetically modified organism
|
17,486
|
582
|
GA
|
Mid
|
| 292
|
Nevada Test Site
|
17,481
|
582
|
B
|
Mid
|
| 293
|
Solar power
|
17,481
|
582
|
B
|
High
|
| 294
|
Stream
|
17,381
|
579
|
Start
|
Mid
|
| 295
|
Joseph Stiglitz
|
17,341
|
578
|
B
|
Mid
|
| 296
|
Ivanpah Solar Power Facility
|
17,333
|
577
|
C
|
Mid
|
| 297
|
Drought
|
17,330
|
577
|
C
|
High
|
| 298
|
Nissan Leaf
|
17,294
|
576
|
B
|
High
|
| 299
|
Kyshtym disaster
|
17,248
|
574
|
C
|
High
|
| 300
|
Pesticide
|
17,196
|
573
|
B
|
Mid
|
| 301
|
Earthrise
|
17,135
|
571
|
C
|
High
|
| 302
|
Sewage treatment
|
17,123
|
570
|
B
|
High
|
| 303
|
Volatile organic compound
|
17,043
|
568
|
C
|
Mid
|
| 304
|
Bisphenol A
|
17,016
|
567
|
GA
|
High
|
| 305
|
Tetraethyllead
|
16,955
|
565
|
C
|
High
|
| 306
|
Environmental protection
|
16,955
|
565
|
C
|
Top
|
| 307
|
Economic growth
|
16,926
|
564
|
B
|
High
|
| 308
|
Montreal Protocol
|
16,920
|
564
|
B
|
High
|
| 309
|
Segway
|
16,894
|
563
|
C
|
Unknown
|
| 310
|
Pew Research Center
|
16,887
|
562
|
C
|
Low
|
| 311
|
Permaculture
|
16,745
|
558
|
GA
|
Mid
|
| 312
|
Electrolysis of water
|
16,699
|
556
|
C
|
Low
|
| 313
|
Quality of life
|
16,616
|
553
|
Start
|
Mid
|
| 314
|
Earth Day
|
16,611
|
553
|
C
|
High
|
| 315
|
Biological warfare
|
16,577
|
552
|
B
|
High
|
| 316
|
Waterfall
|
16,534
|
551
|
B
|
Mid
|
| 317
|
Nuclear weapons testing
|
16,515
|
550
|
C
|
High
|
| 318
|
Abyss Box
|
16,463
|
548
|
Stub
|
Low
|
| 319
|
Nuclear fallout
|
16,456
|
548
|
C
|
Top
|
| 320
|
BYD Seagull
|
16,426
|
547
|
Start
|
Mid
|
| 321
|
Last Glacial Maximum
|
16,420
|
547
|
C
|
Mid
|
| 322
|
Boaty McBoatface
|
16,416
|
547
|
C
|
Low
|
| 323
|
Old-growth forest
|
16,398
|
546
|
C
|
High
|
| 324
|
Landfill
|
16,396
|
546
|
C
|
Mid
|
| 325
|
Greenhouse gas emissions
|
16,389
|
546
|
C
|
Top
|
| 326
|
Snowball Earth
|
16,380
|
546
|
B
|
Low
|
| 327
|
Drinking water
|
16,367
|
545
|
B
|
High
|
| 328
|
Fast fashion
|
16,288
|
542
|
C
|
Mid
|
| 329
|
History of Tesla, Inc.
|
16,257
|
541
|
C
|
Low
|
| 330
|
Sellafield
|
16,240
|
541
|
B
|
High
|
| 331
|
Civilian Conservation Corps
|
16,203
|
540
|
B
|
High
|
| 332
|
Atlantic meridional overturning circulation
|
16,145
|
538
|
C
|
Low
|
| 333
|
International Solar Alliance
|
16,068
|
535
|
C
|
Mid
|
| 334
|
Solarpunk
|
16,013
|
533
|
B
|
Low
|
| 335
|
Carbon capture and storage
|
15,943
|
531
|
C
|
Mid
|
| 336
|
Batagaika crater
|
15,902
|
530
|
Stub
|
Mid
|
| 337
|
Ecotourism
|
15,886
|
529
|
C
|
High
|
| 338
|
Electric car use by country
|
15,875
|
529
|
B
|
High
|
| 339
|
Trade winds
|
15,820
|
527
|
GA
|
Mid
|
| 340
|
African humid period
|
15,742
|
524
|
GA
|
Low
|
| 341
|
Food security
|
15,729
|
524
|
C
|
Low
|
| 342
|
Gasoline direct injection
|
15,716
|
523
|
C
|
Mid
|
| 343
|
Rechargeable battery
|
15,712
|
523
|
C
|
High
|
| 344
|
Global catastrophic risk
|
15,703
|
523
|
B
|
High
|
| 345
|
Honda Insight
|
15,699
|
523
|
B
|
Low
|
| 346
|
Habitable zone
|
15,624
|
520
|
B
|
Low
|
| 347
|
Hybrid vehicle
|
15,507
|
516
|
C
|
High
|
| 348
|
Hybrid electric vehicle
|
15,489
|
516
|
B
|
Mid
|
| 349
|
Doomer
|
15,476
|
515
|
Start
|
Low
|
| 350
|
Rizwana Hasan
|
15,469
|
515
|
Start
|
Low
|
| 351
|
Honda CR-Z
|
15,466
|
515
|
Start
|
Mid
|
| 352
|
Smokey Bear
|
15,314
|
510
|
B
|
Mid
|
| 353
|
International Atomic Energy Agency
|
15,259
|
508
|
B
|
Mid
|
| 354
|
Photovoltaics
|
15,248
|
508
|
B
|
Mid
|
| 355
|
Windscale fire
|
15,199
|
506
|
B
|
Mid
|
| 356
|
Erosion
|
15,152
|
505
|
C
|
High
|
| 357
|
Hanford Site
|
15,098
|
503
|
FA
|
Mid
|
| 358
|
Electronic waste
|
15,041
|
501
|
C
|
Unknown
|
| 359
|
Freon
|
14,909
|
496
|
Start
|
High
|
| 360
|
Pollution of the Ganges
|
14,898
|
496
|
C
|
Unknown
|
| 361
|
Prairie
|
14,808
|
493
|
B
|
Mid
|
| 362
|
History of the electric vehicle
|
14,762
|
492
|
B
|
Unknown
|
| 363
|
Wangarĩ Maathai
|
14,740
|
491
|
B
|
High
|
| 364
|
Toyota Mirai
|
14,676
|
489
|
B
|
High
|
| 365
|
An Inconvenient Truth
|
14,674
|
489
|
GA
|
Mid
|
| 366
|
Effects of climate change
|
14,606
|
486
|
GA
|
Top
|
| 367
|
Chevrolet Volt
|
14,586
|
486
|
B
|
High
|
| 368
|
SL-1
|
14,579
|
485
|
B
|
Mid
|
| 369
|
Mitsubishi i-MiEV
|
14,578
|
485
|
C
|
Mid
|
| 370
|
Concentrated solar power
|
14,574
|
485
|
C
|
High
|
| 371
|
Lucid Air
|
14,571
|
485
|
C
|
Low
|
| 372
|
Sea level rise
|
14,568
|
485
|
GA
|
High
|
| 373
|
Compost
|
14,434
|
481
|
B
|
Low
|
| 374
|
Lignite
|
14,384
|
479
|
C
|
High
|
| 375
|
Hyundai Ioniq 5
|
14,367
|
478
|
Start
|
Low
|
| 376
|
Seawater
|
14,354
|
478
|
C
|
High
|
| 377
|
John Thune
|
14,337
|
477
|
C
|
Low
|
| 378
|
Combined Charging System
|
14,335
|
477
|
Start
|
Mid
|
| 379
|
Nuclear power in the United States
|
14,253
|
475
|
B
|
High
|
| 380
|
Millennium Development Goals
|
14,188
|
472
|
B
|
Mid
|
| 381
|
Benjamin Bronfman
|
14,114
|
470
|
Start
|
Low
|
| 382
|
Neurotoxin
|
14,100
|
470
|
B
|
High
|
| 383
|
Roundup (herbicide)
|
14,055
|
468
|
C
|
High
|
| 384
|
Radioactive waste
|
13,990
|
466
|
B
|
High
|
| 385
|
Carla Denyer
|
13,919
|
463
|
C
|
Low
|
| 386
|
Arsenic poisoning
|
13,872
|
462
|
B
|
High
|
| 387
|
Michael Shellenberger
|
13,869
|
462
|
C
|
Low
|
| 388
|
Ecofascism
|
13,861
|
462
|
B
|
Mid
|
| 389
|
United States Fish and Wildlife Service list of endangered mammals and birds
|
13,806
|
460
|
List
|
Mid
|
| 390
|
New 7 Wonders of Nature
|
13,786
|
459
|
Start
|
Unknown
|
| 391
|
Electric bicycle
|
13,784
|
459
|
C
|
Mid
|
| 392
|
Aflatoxin
|
13,735
|
457
|
B
|
High
|
| 393
|
Environmental degradation
|
13,695
|
456
|
C
|
Top
|
| 394
|
Methyl isocyanate
|
13,679
|
455
|
B
|
Mid
|
| 395
|
Wicked problem
|
13,615
|
453
|
C
|
Mid
|
| 396
|
Effects of nuclear explosions
|
13,573
|
452
|
B
|
High
|
| 397
|
Risk
|
13,540
|
451
|
C
|
High
|
| 398
|
Subarctic climate
|
13,528
|
450
|
C
|
Low
|
| 399
|
Oil spill
|
13,525
|
450
|
B
|
Low
|
| 400
|
Biofuel
|
13,509
|
450
|
C
|
Low
|
| 401
|
Sustainable living
|
13,502
|
450
|
B
|
High
|
| 402
|
High-occupancy vehicle lane
|
13,494
|
449
|
C
|
High
|
| 403
|
Ivy Mike
|
13,489
|
449
|
C
|
High
|
| 404
|
Valero Energy
|
13,487
|
449
|
C
|
Low
|
| 405
|
Nitrogen fixation
|
13,458
|
448
|
B
|
Mid
|
| 406
|
Tropical savanna climate
|
13,448
|
448
|
Start
|
Mid
|
| 407
|
Extinction Rebellion
|
13,413
|
447
|
B
|
High
|
| 408
|
Aerosol
|
13,385
|
446
|
B
|
High
|
| 409
|
XPeng
|
13,376
|
445
|
Start
|
Low
|
| 410
|
Sea Shepherd Conservation Society
|
13,367
|
445
|
B
|
Unknown
|
| 411
|
Vandana Shiva
|
13,349
|
444
|
B
|
Mid
|
| 412
|
Habitat
|
13,347
|
444
|
GA
|
High
|
| 413
|
CITES
|
13,317
|
443
|
C
|
Mid
|
| 414
|
List of environmental dates
|
13,260
|
442
|
List
|
Mid
|
| 415
|
Light pollution
|
13,245
|
441
|
C
|
Unknown
|
| 416
|
Pastoralism
|
13,239
|
441
|
C
|
Mid
|
| 417
|
Petrochemical
|
13,225
|
440
|
Start
|
High
|
| 418
|
Nuclear power in the United Kingdom
|
13,201
|
440
|
B
|
Mid
|
| 419
|
GMC Hummer EV
|
13,199
|
439
|
C
|
Low
|
| 420
|
Hydrogen vehicle
|
13,190
|
439
|
B
|
High
|
| 421
|
Fresh Kills Landfill
|
13,150
|
438
|
C
|
Unknown
|
| 422
|
Australian Greens
|
13,132
|
437
|
B
|
Unknown
|
| 423
|
Ford Mustang Mach-E
|
13,112
|
437
|
Start
|
Low
|
| 424
|
Sanitation
|
13,011
|
433
|
B
|
High
|
| 425
|
Nio Inc.
|
12,993
|
433
|
C
|
Low
|
| 426
|
Aquaculture
|
12,992
|
433
|
B
|
Low
|
| 427
|
Slag
|
12,989
|
432
|
C
|
Mid
|
| 428
|
Non-renewable resource
|
12,943
|
431
|
C
|
High
|
| 429
|
Poaching
|
12,931
|
431
|
B
|
Top
|
| 430
|
Carbon cycle
|
12,913
|
430
|
B
|
High
|
| 431
|
Land reclamation
|
12,864
|
428
|
C
|
Mid
|
| 432
|
Superfund
|
12,832
|
427
|
B
|
Low
|
| 433
|
Wendell Berry
|
12,812
|
427
|
B
|
Unknown
|
| 434
|
Tesla Roadster (second generation)
|
12,794
|
426
|
Start
|
Low
|
| 435
|
Simple living
|
12,781
|
426
|
Start
|
Unknown
|
| 436
|
Intergovernmental Panel on Climate Change
|
12,775
|
425
|
B
|
High
|
| 437
|
Water scarcity
|
12,741
|
424
|
B
|
High
|
| 438
|
Keystone species
|
12,728
|
424
|
GA
|
Mid
|
| 439
|
Yvon Chouinard
|
12,662
|
422
|
Start
|
Unknown
|
| 440
|
List of countries by renewable electricity production
|
12,631
|
421
|
List
|
Mid
|
| 441
|
Desertification
|
12,510
|
417
|
C
|
High
|
| 442
|
Patterns in nature
|
12,487
|
416
|
GA
|
Low
|
| 443
|
Pesticide poisoning
|
12,479
|
415
|
C
|
High
|
| 444
|
Agenda 21
|
12,328
|
410
|
C
|
High
|
| 445
|
Fukushima Daiichi Nuclear Power Plant
|
12,309
|
410
|
C
|
High
|
| 446
|
The Limits to Growth
|
12,279
|
409
|
B
|
Low
|
| 447
|
Jungle
|
12,279
|
409
|
C
|
Mid
|
| 448
|
Ethylene oxide
|
12,268
|
408
|
B
|
Mid
|
| 449
|
1966 Palomares incident
|
12,219
|
407
|
B
|
High
|
| 450
|
United Nations Environment Programme
|
12,193
|
406
|
B
|
Mid
|
| 451
|
Slash-and-burn
|
12,106
|
403
|
C
|
Mid
|
| 452
|
Carbon offsets and credits
|
12,105
|
403
|
B
|
High
|
| 453
|
Atrazine
|
12,079
|
402
|
Start
|
High
|
| 454
|
Wastewater treatment
|
12,050
|
401
|
C
|
High
|
| 455
|
General Motors EV1
|
12,032
|
401
|
B
|
Top
|
| 456
|
Will Attenborough
|
12,026
|
400
|
Start
|
Low
|
| 457
|
Globally Harmonized System of Classification and Labelling of Chemicals
|
12,019
|
400
|
C
|
Mid
|
| 458
|
Chevrolet Bolt
|
12,013
|
400
|
Start
|
High
|
| 459
|
Biogas
|
12,000
|
400
|
C
|
Mid
|
| 460
|
Fisker Karma
|
11,976
|
399
|
B
|
Mid
|
| 461
|
Sustainable energy
|
11,901
|
396
|
FA
|
High
|
| 462
|
Vulnerable species
|
11,888
|
396
|
Start
|
Mid
|
| 463
|
Resource
|
11,869
|
395
|
C
|
High
|
| 464
|
Recycling codes
|
11,866
|
395
|
Start
|
Unknown
|
| 465
|
The Honest Company
|
11,857
|
395
|
Start
|
Low
|
| 466
|
Hydropower
|
11,808
|
393
|
C
|
Unknown
|
| 467
|
Environmentalism
|
11,794
|
393
|
B
|
Top
|
| 468
|
Polestar 2
|
11,763
|
392
|
C
|
Low
|
| 469
|
Natural history
|
11,707
|
390
|
C
|
High
|
| 470
|
Battery electric vehicle
|
11,684
|
389
|
C
|
Mid
|
| 471
|
Sustainable agriculture
|
11,678
|
389
|
C
|
High
|
| 472
|
Recycling symbol
|
11,677
|
389
|
Start
|
Unknown
|
| 473
|
Zone rouge
|
11,636
|
387
|
Start
|
Mid
|
| 474
|
Circular economy
|
11,627
|
387
|
Start
|
Mid
|
| 475
|
North American Charging System
|
11,546
|
384
|
NA
|
Mid
|
| 476
|
Acrylamide
|
11,543
|
384
|
B
|
Mid
|
| 477
|
Food web
|
11,538
|
384
|
B
|
High
|
| 478
|
Renault Twizy
|
11,485
|
382
|
C
|
High
|
| 479
|
BYD Seal
|
11,457
|
381
|
C
|
Unknown
|
| 480
|
Toyota Prius Plug-in Hybrid
|
11,456
|
381
|
B
|
Mid
|
| 481
|
List of natural phenomena
|
11,439
|
381
|
Stub
|
Unknown
|
| 482
|
List of countries by carbon dioxide emissions per capita
|
11,366
|
378
|
List
|
High
|
| 483
|
Extremophile
|
11,319
|
377
|
C
|
Mid
|
| 484
|
Motor oil
|
11,316
|
377
|
C
|
Low
|
| 485
|
Anthropocentrism
|
11,315
|
377
|
C
|
High
|
| 486
|
Petroleum industry
|
11,272
|
375
|
C
|
High
|
| 487
|
Fisker Ocean
|
11,264
|
375
|
C
|
Unknown
|
| 488
|
Subsistence agriculture
|
11,256
|
375
|
C
|
Low
|
| 489
|
Arable land
|
11,249
|
374
|
C
|
High
|
| 490
|
Rivian R1T
|
11,213
|
373
|
Start
|
Low
|
| 491
|
William Kamkwamba
|
11,202
|
373
|
C
|
Unknown
|
| 492
|
Kuwaiti oil fires
|
11,167
|
372
|
C
|
High
|
| 493
|
Flow cytometry
|
11,153
|
371
|
C
|
Low
|
| 494
|
List of countries by carbon dioxide emissions
|
11,149
|
371
|
List
|
Mid
|
| 495
|
Toyota Prius V
|
11,148
|
371
|
C
|
High
|
| 496
|
Earth Summit
|
11,114
|
370
|
Start
|
Low
|
| 497
|
Chemical industry
|
11,098
|
369
|
Start
|
High
|
| 498
|
David Suzuki
|
11,065
|
368
|
B
|
Unknown
|
| 499
|
SolarCity
|
11,049
|
368
|
B
|
High
|
| 500
|
Chemical weapon
|
11,043
|
368
|
C
|
High
|
| 501
|
Biodiesel
|
11,042
|
368
|
C
|
Low
|
| 502
|
Smog
|
11,035
|
367
|
B
|
Mid
|
| 503
|
Plutonium-239
|
11,033
|
367
|
C
|
Mid
|
| 504
|
Conspicuous consumption
|
11,029
|
367
|
B
|
Low
|
| 505
|
Debate over the atomic bombings of Hiroshima and Nagasaki
|
10,997
|
366
|
B
|
Mid
|
| 506
|
Mate Rimac
|
10,950
|
365
|
C
|
Low
|
| 507
|
Hamza Yassin
|
10,945
|
364
|
Start
|
Low
|
| 508
|
Marine biology
|
10,929
|
364
|
C
|
High
|
| 509
|
Ramsar Convention
|
10,925
|
364
|
C
|
Mid
|
| 510
|
Rodenticide
|
10,912
|
363
|
C
|
Mid
|
| 511
|
Cancer Alley
|
10,890
|
363
|
C
|
High
|
| 512
|
Murray Bookchin
|
10,863
|
362
|
B
|
Unknown
|
| 513
|
Cycling
|
10,788
|
359
|
C
|
Unknown
|
| 514
|
Global warming potential
|
10,761
|
358
|
C
|
Low
|
| 515
|
Family planning
|
10,743
|
358
|
B
|
Low
|
| 516
|
Volkswagen ID.4
|
10,743
|
358
|
C
|
Unknown
|
| 517
|
Michael McCaul
|
10,734
|
357
|
Start
|
Low
|
| 518
|
Ship breaking
|
10,706
|
356
|
Stub
|
Unknown
|
| 519
|
Marine life
|
10,702
|
356
|
B
|
High
|
| 520
|
Pumped-storage hydroelectricity
|
10,701
|
356
|
B
|
Unknown
|
| 521
|
Diesel particulate filter
|
10,699
|
356
|
C
|
Mid
|
| 522
|
Green politics
|
10,644
|
354
|
C
|
Low
|
| 523
|
Soot
|
10,640
|
354
|
C
|
Mid
|
| 524
|
Firestorm
|
10,623
|
354
|
C
|
Mid
|
| 525
|
Litter
|
10,623
|
354
|
B
|
Mid
|
| 526
|
Rolls-Royce Spectre
|
10,615
|
353
|
Start
|
Low
|
| 527
|
Incineration
|
10,603
|
353
|
B
|
Mid
|
| 528
|
Windcatcher
|
10,590
|
353
|
B
|
Low
|
| 529
|
Quinto Inuma Alvarado
|
10,590
|
353
|
B
|
Low
|
| 530
|
NOx
|
10,578
|
352
|
Start
|
Low
|
| 531
|
History of nuclear weapons
|
10,576
|
352
|
C
|
High
|
| 532
|
Yucca Mountain nuclear waste repository
|
10,572
|
352
|
C
|
Low
|
| 533
|
Timeline of first images of Earth from space
|
10,555
|
351
|
List
|
Low
|
| 534
|
Life-cycle assessment
|
10,492
|
349
|
B
|
Top
|
| 535
|
Ethanol fuel
|
10,480
|
349
|
B
|
High
|
| 536
|
Waste
|
10,472
|
349
|
C
|
Top
|
| 537
|
Hydrosphere
|
10,450
|
348
|
C
|
High
|
| 538
|
Human overpopulation
|
10,443
|
348
|
C
|
High
|
| 539
|
Herbicide
|
10,442
|
348
|
C
|
High
|
| 540
|
Dudley Dudley (politician)
|
10,405
|
346
|
C
|
Unknown
|
| 541
|
Medieval Warm Period
|
10,405
|
346
|
C
|
Low
|
| 542
|
Paul R. Ehrlich
|
10,366
|
345
|
B
|
Mid
|
| 543
|
Ecosia
|
10,354
|
345
|
C
|
Low
|
| 544
|
Oxy-fuel welding and cutting
|
10,289
|
342
|
B
|
Unknown
|
| 545
|
Aquatic ecosystem
|
10,267
|
342
|
C
|
High
|
| 546
|
Forest of Dean
|
10,266
|
342
|
C
|
Mid
|
| 547
|
Trichloroethylene
|
10,258
|
341
|
B
|
Mid
|
| 548
|
Ramsar site
|
10,257
|
341
|
Start
|
High
|
| 549
|
Alpha decay
|
10,256
|
341
|
C
|
Mid
|
| 550
|
Xiaomi SU7
|
10,214
|
340
|
Start
|
Low
|
| 551
|
World energy supply and consumption
|
10,208
|
340
|
C
|
Top
|
| 552
|
Arbor Day
|
10,203
|
340
|
C
|
High
|
| 553
|
Urban heat island
|
10,198
|
339
|
B
|
Mid
|
| 554
|
Toyota bZ4X
|
10,196
|
339
|
C
|
Low
|
| 555
|
Solar power by country
|
10,193
|
339
|
C
|
High
|
| 556
|
Lisa Harrow
|
10,178
|
339
|
C
|
Low
|
| 557
|
Hydrogen production
|
10,175
|
339
|
C
|
Mid
|
| 558
|
Endocrine disruptor
|
10,163
|
338
|
C
|
High
|
| 559
|
Solar power in India
|
10,153
|
338
|
C
|
Mid
|
| 560
|
LEED
|
10,152
|
338
|
C
|
High
|
| 561
|
Toxicity
|
10,140
|
338
|
C
|
High
|
| 562
|
Hexavalent chromium
|
10,117
|
337
|
B
|
High
|
| 563
|
Toxicology
|
10,110
|
337
|
C
|
Mid
|
| 564
|
Insecticide
|
10,078
|
335
|
C
|
High
|
| 565
|
BMW i4
|
10,067
|
335
|
Start
|
High
|
| 566
|
Polycyclic aromatic hydrocarbon
|
10,063
|
335
|
B
|
High
|
| 567
|
Environmental law
|
10,042
|
334
|
C
|
High
|
| 568
|
Introduced species
|
10,020
|
334
|
B
|
Mid
|
| 569
|
IARC group 1 Carcinogens
|
9,985
|
332
|
List
|
High
|
| 570
|
Environmental movement
|
9,966
|
332
|
B
|
High
|
| 571
|
Chemical warfare
|
9,916
|
330
|
C
|
High
|
| 572
|
List of most-polluted cities by particulate matter concentration
|
9,898
|
329
|
List
|
High
|
| 573
|
Global surface temperature
|
9,888
|
329
|
C
|
Unknown
|
| 574
|
Renewable resource
|
9,887
|
329
|
Start
|
Mid
|
| 575
|
Eco-terrorism
|
9,858
|
328
|
C
|
High
|
| 576
|
Nikola Corporation
|
9,830
|
327
|
C
|
Unknown
|
| 577
|
Particulates
|
9,806
|
326
|
B
|
High
|
| 578
|
Carbon sequestration
|
9,803
|
326
|
B
|
High
|
| 579
|
Dirty bomb
|
9,690
|
323
|
C
|
Mid
|
| 580
|
Nuclear testing at Bikini Atoll
|
9,672
|
322
|
B
|
High
|
| 581
|
Mycotoxin
|
9,628
|
320
|
C
|
Mid
|
| 582
|
Martin Heinrich
|
9,625
|
320
|
C
|
Unknown
|
| 583
|
Water distribution on Earth
|
9,623
|
320
|
Start
|
Unknown
|
| 584
|
Dioxins and dioxin-like compounds
|
9,594
|
319
|
C
|
Low
|
| 585
|
Waste Management, Inc.
|
9,588
|
319
|
Start
|
Low
|
| 586
|
South Africa and weapons of mass destruction
|
9,584
|
319
|
Start
|
Mid
|
| 587
|
Dartmoor
|
9,580
|
319
|
C
|
High
|
| 588
|
Regenerative agriculture
|
9,564
|
318
|
C
|
Low
|
| 589
|
Elinor Ostrom
|
9,562
|
318
|
B
|
Mid
|
| 590
|
Net zero emissions
|
9,543
|
318
|
C
|
Mid
|
| 591
|
Baraka (film)
|
9,525
|
317
|
Start
|
Unknown
|
| 592
|
Toyota Aqua
|
9,506
|
316
|
Start
|
Low
|
| 593
|
Terrestrial animal
|
9,452
|
315
|
Start
|
High
|
| 594
|
Great Green Wall (Africa)
|
9,447
|
314
|
Start
|
Mid
|
| 595
|
Agroforestry
|
9,437
|
314
|
C
|
Low
|
| 596
|
Perovskite solar cell
|
9,433
|
314
|
C
|
Mid
|
| 597
|
Climate engineering
|
9,414
|
313
|
B
|
Mid
|
| 598
|
Planetary boundaries
|
9,413
|
313
|
B
|
High
|
| 599
|
Once Upon a Forest
|
9,374
|
312
|
C
|
Unknown
|
| 600
|
Sunlight
|
9,362
|
312
|
B
|
Low
|
| 601
|
Dust
|
9,337
|
311
|
C
|
Low
|
| 602
|
Environmental impact assessment
|
9,324
|
310
|
C
|
Top
|
| 603
|
Jim Inhofe
|
9,318
|
310
|
B
|
Low
|
| 604
|
Toxin
|
9,312
|
310
|
Start
|
High
|
| 605
|
Coal-fired power station
|
9,300
|
310
|
C
|
High
|
| 606
|
Liquid hydrogen
|
9,252
|
308
|
Start
|
Unknown
|
| 607
|
Biomass (energy)
|
9,251
|
308
|
C
|
Mid
|
| 608
|
Wind farm
|
9,250
|
308
|
B
|
High
|
| 609
|
List of BYD Auto vehicles
|
9,243
|
308
|
List
|
Low
|
| 610
|
Asbestosis
|
9,217
|
307
|
B
|
Mid
|
| 611
|
China and weapons of mass destruction
|
9,210
|
307
|
C
|
High
|
| 612
|
Subsidy
|
9,191
|
306
|
C
|
Mid
|
| 613
|
Solar-cell efficiency
|
9,158
|
305
|
B
|
High
|
| 614
|
Photovoltaic system
|
9,149
|
304
|
C
|
Mid
|
| 615
|
Habitat destruction
|
9,144
|
304
|
C
|
High
|
| 616
|
Municipal solid waste
|
9,135
|
304
|
Start
|
High
|
| 617
|
Food loss and waste
|
9,132
|
304
|
B
|
Mid
|
| 618
|
Hydrogenation
|
9,115
|
303
|
B
|
Unknown
|
| 619
|
Organophosphate
|
9,073
|
302
|
C
|
High
|
| 620
|
Fipronil
|
9,060
|
302
|
Start
|
Mid
|
| 621
|
Australian feral camel
|
9,053
|
301
|
B
|
Low
|
| 622
|
Food safety
|
9,052
|
301
|
C
|
Mid
|
| 623
|
Climate change mitigation
|
9,037
|
301
|
C
|
High
|
| 624
|
Tidal power
|
9,026
|
300
|
B
|
Mid
|
| 625
|
Lotus Evija
|
8,997
|
299
|
C
|
Low
|
| 626
|
Pininfarina Battista
|
8,951
|
298
|
Start
|
Low
|
| 627
|
History of the petroleum industry
|
8,887
|
296
|
C
|
Low
|
| 628
|
World Environment Day
|
8,886
|
296
|
C
|
High
|
| 629
|
Water stagnation
|
8,877
|
295
|
Start
|
Low
|
| 630
|
Organic food
|
8,813
|
293
|
C
|
Mid
|
| 631
|
Cesspit
|
8,810
|
293
|
C
|
Low
|
| 632
|
Biological agent
|
8,807
|
293
|
C
|
High
|
| 633
|
Plastic recycling
|
8,793
|
293
|
C
|
High
|
| 634
|
BYD Qin
|
8,786
|
292
|
Start
|
High
|
| 635
|
List of largest hydroelectric power stations
|
8,784
|
292
|
C
|
Unknown
|
| 636
|
Scientific consensus on climate change
|
8,778
|
292
|
C
|
High
|
| 637
|
Toyota Camry (XV50)
|
8,712
|
290
|
C
|
Mid
|
| 638
|
List of Superfund sites
|
8,696
|
289
|
List
|
Mid
|
| 639
|
Isra Hirsi
|
8,665
|
288
|
Start
|
Low
|
| 640
|
Sewage
|
8,660
|
288
|
C
|
Unknown
|
| 641
|
Harmful algal bloom
|
8,656
|
288
|
C
|
Mid
|
| 642
|
Safe (1995 film)
|
8,612
|
287
|
Start
|
Unknown
|
| 643
|
Hinkley groundwater contamination
|
8,602
|
286
|
Start
|
Low
|
| 644
|
Green hydrogen
|
8,598
|
286
|
C
|
Low
|
| 645
|
Biodiversity hotspot
|
8,591
|
286
|
Start
|
Mid
|
| 646
|
Robin Wall Kimmerer
|
8,587
|
286
|
C
|
Low
|
| 647
|
Oil sands
|
8,555
|
285
|
C
|
Mid
|
| 648
|
BMW iX
|
8,554
|
285
|
Start
|
Unknown
|
| 649
|
Ecofeminism
|
8,543
|
284
|
B
|
High
|
| 650
|
Climate of the Philippines
|
8,525
|
284
|
C
|
Mid
|
| 651
|
Diablo Canyon Power Plant
|
8,518
|
283
|
Start
|
Mid
|
| 652
|
Environmental impact of mining
|
8,513
|
283
|
C
|
Unknown
|
| 653
|
BYD Atto 3
|
8,510
|
283
|
Start
|
Low
|
| 654
|
Vinyl chloride
|
8,498
|
283
|
B
|
Mid
|
| 655
|
Environmental engineering
|
8,472
|
282
|
C
|
Top
|
| 656
|
Right to repair
|
8,465
|
282
|
B
|
Unknown
|
| 657
|
Convention on Biological Diversity
|
8,462
|
282
|
C
|
High
|
| 658
|
James Lovelock
|
8,429
|
280
|
B
|
Top
|
| 659
|
Ford C-Max
|
8,426
|
280
|
C
|
High
|
| 660
|
Coral bleaching
|
8,425
|
280
|
C
|
High
|
| 661
|
Representative Concentration Pathway
|
8,412
|
280
|
C
|
Mid
|
| 662
|
Ecodefense
|
8,407
|
280
|
Start
|
Low
|
| 663
|
Volkswagen 1-litre car
|
8,403
|
280
|
C
|
High
|
| 664
|
Extraction of petroleum
|
8,381
|
279
|
Start
|
Mid
|
| 665
|
Volcanic winter
|
8,378
|
279
|
Start
|
Low
|
| 666
|
Tropical monsoon climate
|
8,375
|
279
|
Start
|
Low
|
| 667
|
Green building
|
8,368
|
278
|
B
|
Unknown
|
| 668
|
Cigarette filter
|
8,359
|
278
|
Start
|
High
|
| 669
|
Site C dam
|
8,344
|
278
|
C
|
Low
|
| 670
|
Kate Humble
|
8,342
|
278
|
C
|
Low
|
| 671
|
List of battery electric vehicles
|
8,333
|
277
|
List
|
Mid
|
| 672
|
NASA Clean Air Study
|
8,330
|
277
|
Start
|
Mid
|
| 673
|
BYD Dolphin
|
8,310
|
277
|
C
|
Low
|
| 674
|
Volkswagen ID.3
|
8,306
|
276
|
Unknown
|
Unknown
|
| 675
|
Comprehensive Nuclear-Test-Ban Treaty
|
8,304
|
276
|
Start
|
High
|
| 676
|
Sick building syndrome
|
8,270
|
275
|
Start
|
Mid
|
| 677
|
Planet Earth III
|
8,270
|
275
|
Start
|
Low
|
| 678
|
Land
|
8,255
|
275
|
B
|
Low
|
| 679
|
Greywater
|
8,251
|
275
|
Start
|
Unknown
|
| 680
|
Environmental issues in the Philippines
|
8,250
|
275
|
C
|
Low
|
| 681
|
Climate classification
|
8,242
|
274
|
Stub
|
Low
|
| 682
|
John E. Sununu
|
8,224
|
274
|
C
|
Low
|
| 683
|
Soil conservation
|
8,218
|
273
|
B
|
High
|
| 684
|
European Green Deal
|
8,204
|
273
|
C
|
Low
|
| 685
|
Algal bloom
|
8,185
|
272
|
B
|
Low
|
| 686
|
Exxon Valdez
|
8,174
|
272
|
Start
|
High
|
| 687
|
Deep ecology
|
8,153
|
271
|
C
|
Low
|
| 688
|
Sierra Club
|
8,134
|
271
|
B
|
Mid
|
| 689
|
Nature reserve
|
8,116
|
270
|
C
|
Mid
|
| 690
|
Water treatment
|
8,115
|
270
|
Start
|
Unknown
|
| 691
|
Citroën Ami (electric vehicle)
|
8,095
|
269
|
Start
|
Unknown
|
| 692
|
Doughnut (economic model)
|
8,068
|
268
|
B
|
Low
|
| 693
|
100 of the World's Worst Invasive Alien Species
|
8,067
|
268
|
List
|
Low
|
| 694
|
Radioactive contamination
|
8,063
|
268
|
C
|
High
|
| 695
|
San Onofre Nuclear Generating Station
|
8,058
|
268
|
C
|
Mid
|
| 696
|
Development economics
|
8,047
|
268
|
Start
|
Mid
|
| 697
|
Clean Air Act (United States)
|
8,045
|
268
|
Start
|
Low
|
| 698
|
Daigo Fukuryū Maru
|
8,042
|
268
|
C
|
Mid
|
| 699
|
Bharat stage emission standards
|
8,021
|
267
|
C
|
Low
|
| 700
|
Biodiversity loss
|
8,019
|
267
|
C
|
Mid
|
| 701
|
Car-free days
|
8,001
|
266
|
C
|
High
|
| 702
|
Dimethylmercury
|
8,000
|
266
|
C
|
Mid
|
| 703
|
Lincoln Aviator
|
7,999
|
266
|
Start
|
Low
|
| 704
|
Gas flare
|
7,967
|
265
|
Start
|
Unknown
|
| 705
|
Climate change feedbacks
|
7,961
|
265
|
C
|
Mid
|
| 706
|
Rolling coal
|
7,954
|
265
|
C
|
Low
|
| 707
|
Solar cooker
|
7,946
|
264
|
B
|
Unknown
|
| 708
|
Climate of South Africa
|
7,935
|
264
|
Start
|
Low
|
| 709
|
Edward Abbey
|
7,934
|
264
|
B
|
Mid
|
| 710
|
Aldo Leopold
|
7,930
|
264
|
B
|
High
|
| 711
|
Fridays for Future
|
7,925
|
264
|
C
|
Mid
|
| 712
|
Timeline of glaciation
|
7,911
|
263
|
List
|
Unknown
|
| 713
|
Toyota Prius (XW30)
|
7,910
|
263
|
B
|
Unknown
|
| 714
|
Charging station
|
7,903
|
263
|
B
|
High
|
| 715
|
Ford F-150 Lightning
|
7,859
|
261
|
Start
|
Mid
|
| 716
|
Crankcase ventilation system
|
7,849
|
261
|
C
|
Low
|
| 717
|
Atmospheric water generator
|
7,847
|
261
|
Start
|
Low
|
| 718
|
Vegetation
|
7,841
|
261
|
C
|
Mid
|
| 719
|
Energy conservation
|
7,835
|
261
|
B
|
Low
|
| 720
|
Anaerobic digestion
|
7,827
|
260
|
C
|
High
|
| 721
|
Ocean gyre
|
7,816
|
260
|
Start
|
Mid
|
| 722
|
Freedom to roam
|
7,800
|
260
|
C
|
Mid
|
| 723
|
Nuclear fuel
|
7,799
|
259
|
B
|
High
|
| 724
|
2,4-Dichlorophenoxyacetic acid
|
7,785
|
259
|
C
|
Mid
|
| 725
|
How to Blow Up a Pipeline (film)
|
7,773
|
259
|
GA
|
Low
|
| 726
|
Dry cask storage
|
7,756
|
258
|
Start
|
Unknown
|
| 727
|
Restriction of Hazardous Substances Directive
|
7,744
|
258
|
C
|
Mid
|
| 728
|
Gallium arsenide
|
7,734
|
257
|
C
|
Mid
|
| 729
|
Bioethics
|
7,720
|
257
|
Start
|
Mid
|
| 730
|
Bioplastic
|
7,717
|
257
|
Start
|
Mid
|
| 731
|
Dead zone (ecology)
|
7,688
|
256
|
C
|
High
|
| 732
|
List of largest giant sequoias
|
7,688
|
256
|
List
|
Mid
|
| 733
|
Dersu Uzala (1975 film)
|
7,686
|
256
|
Start
|
Low
|
| 734
|
Halothane
|
7,665
|
255
|
C
|
Low
|
| 735
|
Tesla Powerwall
|
7,663
|
255
|
C
|
High
|
| 736
|
Extreme weather
|
7,661
|
255
|
C
|
Mid
|
| 737
|
Green economy
|
7,655
|
255
|
Start
|
Mid
|
| 738
|
Flexible-fuel vehicle
|
7,625
|
254
|
C
|
High
|
| 739
|
Dakota Access Pipeline protests
|
7,589
|
252
|
C
|
Low
|
| 740
|
Whole Earth Catalog
|
7,586
|
252
|
B
|
Low
|
| 741
|
Geography of the United Arab Emirates
|
7,581
|
252
|
Start
|
Mid
|
| 742
|
Treaty on the Prohibition of Nuclear Weapons
|
7,567
|
252
|
C
|
Mid
|
| 743
|
Ocean acidification
|
7,558
|
251
|
B
|
Unknown
|
| 744
|
Smoke
|
7,540
|
251
|
C
|
Mid
|
| 745
|
Energy Transfer Partners
|
7,521
|
250
|
Start
|
Low
|
| 746
|
Steam reforming
|
7,493
|
249
|
Start
|
Unknown
|
| 747
|
Afforestation
|
7,490
|
249
|
C
|
Mid
|
| 748
|
Toyota Prius C
|
7,490
|
249
|
C
|
High
|
| 749
|
Stratospheric aerosol injection
|
7,488
|
249
|
C
|
High
|
| 750
|
Methyl tert-butyl ether
|
7,476
|
249
|
B
|
Mid
|
| 751
|
Effects of the Chernobyl disaster
|
7,464
|
248
|
C
|
High
|
| 752
|
George Monbiot
|
7,421
|
247
|
Start
|
Unknown
|
| 753
|
Zeekr 001
|
7,386
|
246
|
C
|
Low
|
| 754
|
Heat recovery ventilation
|
7,371
|
245
|
C
|
Low
|
| 755
|
Build Back Better Plan
|
7,343
|
244
|
C
|
Low
|
| 756
|
Methylmercury
|
7,298
|
243
|
B
|
High
|
| 757
|
Cow dung
|
7,293
|
243
|
Start
|
Low
|
| 758
|
Never Cry Wolf (film)
|
7,293
|
243
|
B
|
Low
|
| 759
|
Ministry of Environment, Forest and Climate Change
|
7,259
|
241
|
Start
|
High
|
| 760
|
Fatberg
|
7,253
|
241
|
Start
|
Low
|
| 761
|
Ultra Low Emission Zone
|
7,250
|
241
|
C
|
Low
|
| 762
|
Hyundai Ioniq 6
|
7,223
|
240
|
Unknown
|
Unknown
|
| 763
|
Ecosystem service
|
7,222
|
240
|
Start
|
Unknown
|
| 764
|
Exotic pet
|
7,222
|
240
|
Start
|
Low
|
| 765
|
Blackwater (waste)
|
7,210
|
240
|
Start
|
Unknown
|
| 766
|
Partial Nuclear Test Ban Treaty
|
7,191
|
239
|
GA
|
High
|
| 767
|
Customary law
|
7,175
|
239
|
Start
|
Mid
|
| 768
|
1808 mystery eruption
|
7,151
|
238
|
Start
|
Low
|
| 769
|
Carrying capacity
|
7,141
|
238
|
C
|
Mid
|
| 770
|
Land degradation
|
7,135
|
237
|
C
|
Mid
|
| 771
|
Slurry
|
7,122
|
237
|
Unknown
|
Unknown
|
| 772
|
JBS S.A.
|
7,116
|
237
|
C
|
Low
|
| 773
|
Rimac Concept One
|
7,105
|
236
|
Start
|
Unknown
|
| 774
|
Chlorpyrifos
|
7,081
|
236
|
C
|
Mid
|
| 775
|
Hyundai Ioniq
|
7,080
|
236
|
C
|
Mid
|
| 776
|
Rydberg formula
|
7,062
|
235
|
Start
|
Unknown
|
| 777
|
Jim Banks
|
7,062
|
235
|
C
|
Low
|
| 778
|
Diethylstilbestrol
|
7,052
|
235
|
B
|
High
|
| 779
|
Offshore wind power
|
7,052
|
235
|
B
|
Mid
|
| 780
|
Climate of Italy
|
7,035
|
234
|
C
|
Low
|
| 781
|
Destruction of the Kakhovka Dam
|
7,027
|
234
|
C
|
Mid
|
| 782
|
Green party
|
7,026
|
234
|
C
|
High
|
| 783
|
Dakota Access Pipeline
|
6,993
|
233
|
B
|
Mid
|
| 784
|
Intensive farming
|
6,991
|
233
|
C
|
High
|
| 785
|
Fracking in the United States
|
6,989
|
232
|
C
|
High
|
| 786
|
Floods in India
|
6,969
|
232
|
List
|
Unknown
|
| 787
|
Electric aircraft
|
6,967
|
232
|
C
|
Unknown
|
| 788
|
Limelight
|
6,965
|
232
|
Start
|
Unknown
|
| 789
|
On Deadly Ground
|
6,923
|
230
|
Start
|
Low
|
| 790
|
Atmospheric circulation
|
6,912
|
230
|
Start
|
High
|
| 791
|
Ice sheet
|
6,908
|
230
|
C
|
Mid
|
| 792
|
Fuel cell vehicle
|
6,895
|
229
|
Start
|
Unknown
|
| 793
|
Lake Karachay
|
6,895
|
229
|
Start
|
Unknown
|
| 794
|
E85
|
6,869
|
228
|
C
|
Unknown
|
| 795
|
Near-threatened species
|
6,869
|
228
|
Start
|
Mid
|
| 796
|
Kia EV6
|
6,863
|
228
|
Start
|
Low
|
| 797
|
Conservation movement
|
6,856
|
228
|
C
|
Low
|
| 798
|
Environmental health
|
6,855
|
228
|
Start
|
Unknown
|
| 799
|
Scrap
|
6,853
|
228
|
Start
|
Low
|
| 800
|
The Nature Conservancy
|
6,842
|
228
|
B
|
Low
|
| 801
|
Hydrogen economy
|
6,837
|
227
|
B
|
High
|
| 802
|
Toyota Prius (XW20)
|
6,824
|
227
|
B
|
Unknown
|
| 803
|
Carbon tax
|
6,803
|
226
|
C
|
High
|
| 804
|
Biological pest control
|
6,795
|
226
|
GA
|
High
|
| 805
|
Effects of climate change on agriculture
|
6,790
|
226
|
C
|
High
|
| 806
|
Brownfield land
|
6,769
|
225
|
C
|
Unknown
|
| 807
|
Patrick Dovigi
|
6,768
|
225
|
Start
|
Low
|
| 808
|
Volkswagen ID. Buzz
|
6,766
|
225
|
C
|
Mid
|
| 809
|
Enewetak Atoll
|
6,758
|
225
|
Start
|
Mid
|
| 810
|
Nyonoksa radiation accident
|
6,743
|
224
|
Start
|
Low
|
| 811
|
Lists of nuclear disasters and radioactive incidents
|
6,740
|
224
|
List
|
Mid
|
| 812
|
Renault Zoe
|
6,731
|
224
|
C
|
High
|
| 813
|
Coal-seam fire
|
6,723
|
224
|
C
|
Mid
|
| 814
|
Cadillac Celestiq
|
6,716
|
223
|
Start
|
Unknown
|
| 815
|
Insects as food
|
6,705
|
223
|
C
|
High
|
| 816
|
RDS-1
|
6,700
|
223
|
C
|
High
|
| 817
|
Resource depletion
|
6,698
|
223
|
C
|
High
|
| 818
|
Affluenza
|
6,678
|
222
|
Start
|
Mid
|
| 819
|
Rivian R1S
|
6,670
|
222
|
Start
|
Low
|
| 820
|
Deep sea mining
|
6,663
|
222
|
C
|
Unknown
|
| 821
|
Environment Protection Act, 1986
|
6,658
|
221
|
Start
|
Low
|
| 822
|
Madison Grant
|
6,650
|
221
|
C
|
Unknown
|
| 823
|
Composting toilet
|
6,650
|
221
|
C
|
Unknown
|
| 824
|
Thermal pollution
|
6,639
|
221
|
Start
|
Mid
|
| 825
|
Nuclear arms race
|
6,588
|
219
|
B
|
High
|
| 826
|
Bioremediation
|
6,576
|
219
|
Start
|
Mid
|
| 827
|
Ken Saro-Wiwa
|
6,571
|
219
|
B
|
Low
|
| 828
|
Free public transport
|
6,571
|
219
|
Start
|
Mid
|
| 829
|
Hydrogen embrittlement
|
6,564
|
218
|
Start
|
Mid
|
| 830
|
Campaign for Nuclear Disarmament
|
6,564
|
218
|
B
|
Mid
|
| 831
|
Risk assessment
|
6,558
|
218
|
C
|
Mid
|
| 832
|
Tipping points in the climate system
|
6,550
|
218
|
GA
|
Top
|
| 833
|
Teton Dam
|
6,545
|
218
|
C
|
Low
|
| 834
|
Overfishing
|
6,535
|
217
|
B
|
High
|
| 835
|
Caroline Gleich
|
6,533
|
217
|
Stub
|
Low
|
| 836
|
Jaguar C-X75
|
6,523
|
217
|
B
|
Mid
|
| 837
|
Endangered Species Act of 1973
|
6,507
|
216
|
C
|
High
|
| 838
|
Fungicide
|
6,498
|
216
|
C
|
High
|
| 839
|
Honda e
|
6,496
|
216
|
C
|
Low
|
| 840
|
North Atlantic garbage patch
|
6,483
|
216
|
C
|
Low
|
| 841
|
Renewable energy in India
|
6,476
|
215
|
B
|
High
|
| 842
|
Flow battery
|
6,462
|
215
|
B
|
Mid
|
| 843
|
Surface runoff
|
6,451
|
215
|
C
|
Low
|
| 844
|
Photovoltaic power station
|
6,446
|
214
|
C
|
High
|
| 845
|
Coal combustion products
|
6,420
|
214
|
C
|
Low
|
| 846
|
Volkswagen ID.7
|
6,420
|
214
|
B
|
Low
|
| 847
|
Nature conservation
|
6,402
|
213
|
B
|
High
|
| 848
|
Gifford Pinchot
|
6,402
|
213
|
B
|
High
|
| 849
|
List of environmental organizations
|
6,390
|
213
|
List
|
Top
|
| 850
|
Butadiene
|
6,378
|
212
|
B
|
High
|
| 851
|
Lacey Act of 1900
|
6,374
|
212
|
Stub
|
Mid
|
| 852
|
North Sea oil
|
6,370
|
212
|
Start
|
Mid
|
| 853
|
Wind power in India
|
6,367
|
212
|
Start
|
Mid
|
| 854
|
National parks of the United Kingdom
|
6,351
|
211
|
List
|
Low
|
| 855
|
Green Party (Ireland)
|
6,342
|
211
|
B
|
Unknown
|
| 856
|
Audi e-tron
|
6,332
|
211
|
C
|
Mid
|
| 857
|
One Laptop per Child
|
6,331
|
211
|
B
|
Unknown
|
| 858
|
Kia EV9
|
6,310
|
210
|
Stub
|
Unknown
|
| 859
|
Environmental justice
|
6,304
|
210
|
C
|
Low
|
| 860
|
Honda Clarity
|
6,278
|
209
|
B
|
Low
|
| 861
|
Clean Water Act
|
6,274
|
209
|
B
|
High
|
| 862
|
Marjory Stoneman Douglas
|
6,273
|
209
|
FA
|
Low
|
| 863
|
Nuclear disarmament
|
6,272
|
209
|
C
|
Top
|
| 864
|
Anaerobic respiration
|
6,271
|
209
|
Start
|
Unknown
|
| 865
|
United States Fish and Wildlife Service
|
6,258
|
208
|
C
|
Mid
|
| 866
|
Christian Schmidt (politician)
|
6,248
|
208
|
C
|
Low
|
| 867
|
Shot (pellet)
|
6,233
|
207
|
C
|
Low
|
| 868
|
Sustainable Development Goal 13
|
6,233
|
207
|
C
|
Mid
|
| 869
|
2-Butoxyethanol
|
6,219
|
207
|
C
|
Mid
|
| 870
|
Perchlorate
|
6,215
|
207
|
B
|
High
|
| 871
|
Masdar City
|
6,210
|
207
|
C
|
High
|
| 872
|
Nicole Hernandez Hammer
|
6,203
|
206
|
C
|
Low
|
| 873
|
Tailings
|
6,196
|
206
|
Start
|
Unknown
|
| 874
|
Passive smoking
|
6,195
|
206
|
B
|
Mid
|
| 875
|
Global cooling
|
6,189
|
206
|
B
|
Low
|
| 876
|
Indian vulture crisis
|
6,189
|
206
|
Start
|
Low
|
| 877
|
Vestas
|
6,182
|
206
|
Start
|
High
|
| 878
|
Laudato si'
|
6,161
|
205
|
C
|
Mid
|
| 879
|
Climate of Antarctica
|
6,152
|
205
|
C
|
High
|
| 880
|
Exploitation of natural resources
|
6,148
|
204
|
Start
|
High
|
| 881
|
Steven Chu
|
6,144
|
204
|
C
|
Mid
|
| 882
|
Storm drain
|
6,137
|
204
|
C
|
Unknown
|
| 883
|
Seveso disaster
|
6,126
|
204
|
Start
|
Mid
|
| 884
|
Brundtland Commission
|
6,120
|
204
|
Start
|
Unknown
|
| 885
|
Fiona Harvey
|
6,117
|
203
|
Stub
|
Unknown
|
| 886
|
The Ecologists
|
6,115
|
203
|
Start
|
Unknown
|
| 887
|
Air pollution in India
|
6,115
|
203
|
C
|
Mid
|
| 888
|
Leachate
|
6,097
|
203
|
Start
|
Unknown
|
| 889
|
Nuclear proliferation
|
6,094
|
203
|
C
|
High
|
| 890
|
Douglas Tompkins
|
6,092
|
203
|
C
|
Mid
|
| 891
|
Neurotoxicity
|
6,089
|
202
|
Start
|
High
|
| 892
|
Palo Verde Nuclear Generating Station
|
6,079
|
202
|
C
|
Mid
|
| 893
|
History of climate change science
|
6,078
|
202
|
C
|
Unknown
|
| 894
|
Epping Forest
|
6,077
|
202
|
C
|
Mid
|
| 895
|
Eustace Conway
|
6,074
|
202
|
Start
|
Unknown
|
| 896
|
1,4-Dioxane
|
6,071
|
202
|
Start
|
Mid
|
| 897
|
Best practice
|
6,059
|
201
|
C
|
Mid
|
| 898
|
List of highly toxic gases
|
6,058
|
201
|
List
|
High
|
| 899
|
Sod
|
6,053
|
201
|
C
|
Mid
|
| 900
|
Honda Prologue
|
6,033
|
201
|
Stub
|
Low
|
| 901
|
The Ocean Cleanup
|
6,032
|
201
|
Start
|
Unknown
|
| 902
|
Environmental studies
|
6,022
|
200
|
Start
|
High
|
| 903
|
Worldwide Harmonised Light Vehicles Test Procedure
|
6,014
|
200
|
C
|
Mid
|
| 904
|
Renovation
|
6,013
|
200
|
Start
|
High
|
| 905
|
Volkswagen Group MEB platform
|
5,998
|
199
|
Stub
|
Low
|
| 906
|
C40 Cities Climate Leadership Group
|
5,991
|
199
|
Start
|
Low
|
| 907
|
Environmental education
|
5,984
|
199
|
C
|
High
|
| 908
|
Chemical Weapons Convention
|
5,983
|
199
|
C
|
High
|
| 909
|
MG5 (automobile)
|
5,960
|
198
|
Start
|
Low
|
| 910
|
World Water Day
|
5,958
|
198
|
C
|
Unknown
|
| 911
|
Earth system science
|
5,957
|
198
|
C
|
Mid
|
| 912
|
Solar thermal energy
|
5,955
|
198
|
B
|
High
|
| 913
|
Ecologist Green Party of Mexico
|
5,955
|
198
|
Start
|
Unknown
|
| 914
|
Bioterrorism
|
5,952
|
198
|
B
|
High
|
| 915
|
Cadillac Lyriq
|
5,940
|
198
|
Start
|
Mid
|
| 916
|
Sustainable fashion
|
5,930
|
197
|
C
|
Mid
|
| 917
|
Climate variability and change
|
5,926
|
197
|
C
|
Top
|
| 918
|
Călin Georgescu
|
5,926
|
197
|
Start
|
Unknown
|
| 919
|
BYD Han
|
5,914
|
197
|
C
|
Unknown
|
| 920
|
Thionyl chloride
|
5,913
|
197
|
B
|
Mid
|
| 921
|
Biodegradation
|
5,911
|
197
|
Start
|
Low
|
| 922
|
Jaguar I-Pace
|
5,903
|
196
|
C
|
Low
|
| 923
|
Earth Liberation Front
|
5,901
|
196
|
B
|
Mid
|
| 924
|
Paris green
|
5,888
|
196
|
B
|
Mid
|
| 925
|
Biophilic design
|
5,887
|
196
|
C
|
Low
|
| 926
|
MG4 EV
|
5,875
|
195
|
Start
|
Low
|
| 927
|
Triple bottom line
|
5,873
|
195
|
C
|
High
|
| 928
|
Polestar 4
|
5,869
|
195
|
Unknown
|
Unknown
|
| 929
|
Electric vehicle industry in China
|
5,853
|
195
|
Start
|
Mid
|
| 930
|
Kenneth Arrow
|
5,848
|
194
|
C
|
Low
|
| 931
|
Noxious weed
|
5,843
|
194
|
Start
|
Unknown
|
| 932
|
Acrylonitrile
|
5,842
|
194
|
Start
|
Mid
|
| 933
|
United States withdrawal from the Paris Agreement
|
5,836
|
194
|
C
|
Mid
|
| 934
|
Peritoneal mesothelioma
|
5,814
|
193
|
Start
|
Low
|
| 935
|
RNA interference
|
5,811
|
193
|
FA
|
High
|
| 936
|
Climate of Ireland
|
5,809
|
193
|
C
|
Low
|
| 937
|
Paleocene–Eocene Thermal Maximum
|
5,793
|
193
|
B
|
Low
|
| 938
|
Marine pollution
|
5,789
|
192
|
B
|
Unknown
|
| 939
|
Commons
|
5,780
|
192
|
C
|
Top
|
| 940
|
Space-based solar power
|
5,777
|
192
|
B
|
Unknown
|
| 941
|
Carbon emission trading
|
5,745
|
191
|
B
|
Low
|
| 942
|
Common ethanol fuel mixtures
|
5,731
|
191
|
B
|
Mid
|
| 943
|
Fishery
|
5,728
|
190
|
Start
|
Low
|
| 944
|
Ora Good Cat
|
5,724
|
190
|
Start
|
Low
|
| 945
|
Biodegradable plastic
|
5,709
|
190
|
C
|
Mid
|
| 946
|
Upcycling
|
5,707
|
190
|
C
|
Mid
|
| 947
|
Climatology
|
5,698
|
189
|
C
|
Top
|
| 948
|
Waste Isolation Pilot Plant
|
5,696
|
189
|
C
|
High
|
| 949
|
Human population planning
|
5,692
|
189
|
Start
|
Unknown
|
| 950
|
Religious views of Charles Darwin
|
5,678
|
189
|
B
|
Low
|
| 951
|
Earth shelter
|
5,674
|
189
|
Start
|
Unknown
|
| 952
|
Aviation biofuel
|
5,673
|
189
|
Start
|
Unknown
|
| 953
|
The Population Bomb
|
5,672
|
189
|
B
|
Mid
|
| 954
|
Water supply
|
5,671
|
189
|
C
|
High
|
| 955
|
Dichlorodifluoromethane
|
5,653
|
188
|
Start
|
High
|
| 956
|
Volvo EX30
|
5,633
|
187
|
Stub
|
Unknown
|
| 957
|
Genetic diversity
|
5,632
|
187
|
C
|
Mid
|
| 958
|
List of photovoltaic power stations
|
5,625
|
187
|
List
|
Unknown
|
| 959
|
Car Allowance Rebate System
|
5,625
|
187
|
B
|
Mid
|
| 960
|
2021 United Nations Climate Change Conference
|
5,613
|
187
|
C
|
High
|
| 961
|
Evapotranspiration
|
5,606
|
186
|
C
|
Mid
|
| 962
|
The TerraMar Project
|
5,585
|
186
|
Start
|
Low
|
| 963
|
Winona LaDuke
|
5,584
|
186
|
C
|
Low
|
| 964
|
Laundry detergent
|
5,575
|
185
|
C
|
Low
|
| 965
|
Solar water heating
|
5,569
|
185
|
C
|
Mid
|
| 966
|
Tracy Somerset, Duchess of Beaufort
|
5,568
|
185
|
Start
|
Low
|
| 967
|
Sustainable Development Goal 11
|
5,561
|
185
|
Start
|
Unknown
|
| 968
|
Embalming chemicals
|
5,556
|
185
|
Start
|
Low
|
| 969
|
Audi e-tron GT
|
5,546
|
184
|
Start
|
Unknown
|
| 970
|
Waste container
|
5,544
|
184
|
Start
|
High
|
| 971
|
Eastman Chemical Company
|
5,538
|
184
|
C
|
Low
|
| 972
|
Eco-socialism
|
5,522
|
184
|
C
|
Mid
|
| 973
|
Biodegradable waste
|
5,518
|
183
|
Start
|
Unknown
|
| 974
|
Life on Our Planet
|
5,517
|
183
|
Start
|
Low
|
| 975
|
Great Green Wall (China)
|
5,515
|
183
|
C
|
Mid
|
| 976
|
Wilderness
|
5,510
|
183
|
B
|
Low
|
| 977
|
Environmental issues in India
|
5,509
|
183
|
C
|
Unknown
|
| 978
|
Ecological footprint
|
5,487
|
182
|
B
|
High
|
| 979
|
Environmental impact of agriculture
|
5,482
|
182
|
C
|
High
|
| 980
|
Indian Point Energy Center
|
5,481
|
182
|
B
|
Mid
|
| 981
|
Environmentally friendly
|
5,480
|
182
|
Start
|
Low
|
| 982
|
Wilderness Act
|
5,480
|
182
|
C
|
Mid
|
| 983
|
Volkswagen I.D. R
|
5,452
|
181
|
Start
|
Low
|
| 984
|
Slow Food
|
5,451
|
181
|
C
|
Mid
|
| 985
|
Deltamethrin
|
5,446
|
181
|
Start
|
Mid
|
| 986
|
Paleoclimatology
|
5,440
|
181
|
C
|
Unknown
|
| 987
|
Solar inverter
|
5,436
|
181
|
C
|
Low
|
| 988
|
Arsenic trioxide
|
5,433
|
181
|
B
|
Mid
|
| 989
|
Environmental hazard
|
5,404
|
180
|
Start
|
High
|
| 990
|
350.org
|
5,403
|
180
|
B
|
Low
|
| 991
|
Peridotite
|
5,375
|
179
|
C
|
Low
|
| 992
|
Francia Márquez
|
5,372
|
179
|
Start
|
Low
|
| 993
|
Attacks on the Sounion
|
5,362
|
178
|
C
|
Low
|
| 994
|
Hoot (film)
|
5,361
|
178
|
Start
|
Low
|
| 995
|
Environmental disaster
|
5,357
|
178
|
Start
|
Top
|
| 996
|
History of ExxonMobil
|
5,356
|
178
|
B
|
Low
|
| 997
|
Late Antique Little Ice Age
|
5,331
|
177
|
Start
|
High
|
| 998
|
Aspark Owl
|
5,325
|
177
|
Start
|
Low
|
| 999
|
Perfluorooctanesulfonic acid
|
5,317
|
177
|
Start
|
Mid
|
| 1000
|
Protected area
|
5,316
|
177
|
B
|
High
|
