Discovered by Roger Revelle and Charles Keeling of Scripps Institution of Oceanography
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
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.
F. Sherwood Rowland and Mario Molina discover that chlorofluorocarbons (CFCs) can destroy ozone in the stratosphere.
Established to reduce air pollutant emissions and acid rain.
Created the Superfund program
Because of the development of horizontal drilling in the 80's
new automobile emissions standards, BACT for toxins, reduction on CFCs
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.
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.
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.
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.
More than 11 million gallons of crude oil spilled. The cleanup cost the company $2.5 billion.
As of May 1st it was leaking 210,000 gallons per day into the Gulf.