Medical science, bolstered by research from the U.S.Environmental Protection Agency, shows a strong link between air pollution and heart disease and stroke.

VOA: standard.2010.08.04

The U.S.Environmental Protection Agency,or EPA, lists stormwater as the primary cause of water pollution in the United States, and encourages local communities to develop management plans to treat run-off before it pollutes their rivers, lakes or streams.

VOA: standard.2010.08.04

But the Oil Pollution Act bans the U.S.-built ship from Alaskan waters.

CNN: Exxon Valdez

Michael K. Dorsey, a professor of environmental studies at Dartmouth and coauthor of Carbon Trading, says that while pollution trading programs work in the U.S. to control pollutants like sulfur dioxide, it will be hard to track such schemes in developing nations.

FORBES: When Pigs Fly

Michael K. Dorsey, a professor of environmental studies at Dartmouth and coauthor of Carbon Trading, says that while pollution-trading programs work in the U.S. to control pollutants like sulfur dioxide, it will be hard to track such schemes in developing nations.

FORBES: Magazine Article