Ecology Timeline By djimenezvargas 1804 1 Billion 1927 2 Billion 1930 Dust bowl 1952 Fukushima Nuclear Accident 1952 Great London Smog 1956 Minamata Disaster 1960 3 Billion 1961 Rachel Carson's Silent Spring Published Jun 5, 1972 Stockholm Conference Dec 28, 1973 Endangered Species Act 1974 4 Billion 1978 Love Canal 1983 Bhopal disaster 1987 5 Billion 1987 Montreal Protocol Mar 24, 1989 Exxon valdez 1990 Chernobyl meltdown 1990 Kuwaiti oil fires 1997 Great specific garbage patch 1997 Kyoto protocol 1999 6 Billion 2004 Hurricane Catrina 2006 Documentary Film An inconvenient Truth released Apr 20, 2010 Deep water horizon oil spill 2011 7 Billion 2014 Flint Water Crisis 2019 Australian Bushfires 2022 8 Billion