Oct. 5, 1978: Laos becomes the 20th nation to ratify the "Convention on the Prohibition of Military of Any Other Hostile Use of Environmental Modification Techniques" (ENMOD). The U.N. treaty takes effect with the Laotian signature. Laos, along with Cambodia and Vietnam, had been subject to U.S. efforts to cloud-seed and use defoliants such as Agent Orange (at right) during the Vietnam War.
Oct. 5, 2000: In a speech in London, Ford Motor Company Chairman Bill Ford talks about climate change and explains his company's withdrawal from the Global Climate Coalition. GCC’s membership includes automakers, fossil fuel companies and electric utilities. The coalition comes under heavy criticism for alleged disinformation on climate issues, and after other corporations like Daimler-Chrysler and BP follow Ford out the door, GCC disbands in 2002.
Oct. 5, 2005: The European Union withdraws its approval for atrazine, one of the world’s most widely used weed killers. The herbicide is linked to groundwater contamination, cancer and liver and kidney ailments.
Photo: U.S. Air Force/Wikimedia Commons