July 10, 1970: U.S. President Richard M. Nixon proposes two new Federal agencies to consolidate U.S. work on environmental regulation as well as on oceans, atmosphere, and weather. Within the year, the Environmental Protection Agency and the National Oceanic and Atmospheric Administration are in business.
July 10, 1976: A factory explosion releases TCDD, a potent, cancer-causing dioxin chemical, into the town of Seveso, Italy. There are no immediate deaths reported, but many in the town, a suburb of Milan, fall ill.
July 10, 1985: Two bombs sink the Rainbow Warrior in Auckland New Zealand as the Greenpeace ship prepared to launch a protest at France's nuclear weapons test site in the South Pacific. Greenpeace photographer Fernando Pereira died, and two French Intelligence agents later pled guilty to manslaughter in the sinking. At right, the Rainbow Warrior II.
Photo: Klearchos Kapoutsis/Wikimedia Commons