This is a list of notable events relating to the environment in 1973. They relate to environmental law, conservation, environmentalism and environmental issues.
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Events
editSummer
edit- Several thousand pounds of polybrominated biphenyls were accidentally mixed with livestock feed that was distributed to farms in Michigan, because the plant also produced a feed precursor ingredient, magnesium oxide, which was sold to the feed manufacturer.[1] Adverse reproductive-system effects continued 40 years later to be found in the grandchildren of those who consumed tainted farm products.[2]
August
edit- The snail darter controversy delayed the construction of the Tellico Dam on the Little Tennessee River in the United States when the snail darter fish was discovered in the river.
November
edit- The International Agreement on the Conservation of Polar Bears was signed in Oslo, Norway.
December
edit- The Endangered Species Act was signed into law in the United States by President Richard Nixon.[3]
See also
editReferences
edit- ^ Carter, Luther J (1976-04-16). "Michigan's PBB incident: Chemical Mix-Up Leads to Disaster". Science. 192 (4236): 240–243. doi:10.1126/science.192.4236.240. PMID 17831151.
- ^ Rebecca Williams (2014). "40 years after toxic mix-up, researchers continue to study Michiganders poisoned by PBB". Michigan Public Media, The Regents of the University of Michigan. Retrieved 2014-11-13.
- ^ United States. Endangered Species Act of 1973. Pub. L. 93–205 Approved 1973-12-27.