July 30, 2008 (Wednesday)
- The United States Food and Drug Administration finds the salmonella strain responsible for the 2008 United States salmonellosis outbreak in irrigation water at a serrano pepper at a farm in Nuevo León, Mexico. (The Los Angeles Times)
- Prime Minister of Israel Ehud Olmert announces his intention to resign as Prime Minister in two months as his Kadima party chooses a new leader. He will also resign as Chairman of Kadima effective in two months. One reason for resignation is the corruption scandal in which Olmert is embattled. (BBC News)
- U.S. President George W. Bush signs The Housing and Economic Recovery Act of 2008 in response to the subprime mortgage crisis. (Reuters)
- In the United Kingdom, the Appellate Committee of the House of Lords rejects an appeal by alleged British computer hacker Gary McKinnon against extradition to the United States to face charges of hacking into Pentagon and NASA computers. (AP via The Washington Post)
- Australia
- Air safety investigators from the Australian Transport Safety Bureau confirm an oxygen cylinder was responsible for an explosion on board Qantas Flight 30 on 25 July 2008. (ABC News Australia)[permanent dead link]
- The High Court of Australia rules that Australian aborigines control 80% of the coast of the Northern Territory. (TVNZ)
- Bosnian Serb leader Radovan Karadžić is flown to The Hague to face a trial in the International Criminal Tribunal for the former Yugoslavia. (BBC News)
- NASA confirms a liquid lake on Titan. (NASA)