Discovery of carbon dioxide accumulation in the atmosphere
1/2/1957 - 2/2/1957
Discovered by Roger Revelle and Charles Keeling of Scripps Institution of Oceanography
Publication of Silent Spring by Rachel Carson
1/2/1962 - 2/2/1962
The book that catalyzed the worldwide environmental movement, Silent Spring called for an end to indiscriminate pesticide use and, on a broader level, a change in the way we view nature
The Clean Air act is established
1/1/1963 - 1/1/1970
This is a law that defines newly established EPA's (Environmental Protection Agency) responsibilities for protecting and improving the nation's air quality and the stratospheric ozone layer.
Formation of National Environmental Policy Act (NEPA)
2/18/1969 - 1/1/1970
Endangered Species Act
12/1/1973 - 12/18/1973
Discovery of Atmospheric ozone depleting substances (CFCs)
1/1/1974 - 12/1/1974
F. Sherwood Rowland and Mario Molina discover that chlorofluorocarbons (CFCs) can destroy ozone in the stratosphere.
Safe Drinking Water act
12/1/1974 - 12/16/1974
Toxic Substances Control act (TSCA)
11/16/1976 - 11/17/1976
CFC use in aerosols in banned in the US
1/1/1978 - 1/2/1978
Convention on Long-Range Transboundary Air Pollution (CLRTAP)
11/13/1979 - 3/16/1980
Established to reduce air pollutant emissions and acid rain.
Comprehensive Environmental Response, Compensation and Liability act (CERCLA)
1/1/1980 - 1/2/1980
Created the Superfund program
Fracking natural gas becomes more common
1/1/1990 - 1/2/1990
Because of the development of horizontal drilling in the 80's
Clean air act ammendments of 1990
4/2/1990 - 7/3/1990
new automobile emissions standards, BACT for toxins, reduction on CFCs
US does not ratify Kyoto Protocol
12/11/1997 - 12/16/1997
The United States, the biggest single greenhouse-gas polluter, abandons the Kyoto Protocol. President George W. Bush questions scientific consensus on global warming, says the treaty is too expensive for the U.S. economy.
"An Inconvenient Truth" drives global warming in US politcal agenda
1/1/2006 - 2/2/2006
American Clean Energy and Security Act of 2009
6/26/2009 - 6/29/2009
The bill would reduce nationwide greenhouse gas emissions 17 percent from 2005 levels by 2020 and 83 percent by 2050 through a so-called "cap-and-trade" program under which companies would buy and sell emissions credits.
Three Mile Island Accident
1/1/1979 - 4/28/1979
The core of a nuclear power plant near Middletown, Pa. started to melt because of a cooling water problem, resulting in the release of some radiation into the atmosphere.
Pemex's Ixtoc I exploratory oil well blowout
6/3/1979 - 7/3/1979
The oil well blowout in the Gulf of Mexico 600 miles south of Texas is recognized as the second largest oil spill in history, 140 million gallons.
Oil Spill by Exxon Valdez tanker in Prince William Sound, Alaska
4/24/1989 - 7/26/1989
More than 11 million gallons of crude oil spilled. The cleanup cost the company $2.5 billion.
Deepwater Horizon oil Spill
4/20/2010 - 4/22/2010
As of May 1st it was leaking 210,000 gallons per day into the Gulf.