A science unit report looks at the environmental cleanup in New Orleans after Hurricane Katrina inundated the city with filthy floodwater. Federal and state officials are at odds with environmental groups over the danger posed by toxins found in and…

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In the past, Senate filibusters have blocked drilling in Alaska's Arctic National Wildlife Refuge. As Congress takes up the issue once more, a familiar debate is taking place among activists. Following a background report, two experts discuss drilling in the…

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More than 193,000 barrels of oil -- some 7 million gallons -- spilled along the Louisiana coastline in August 2005 when Hurricane Katrina hit.

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Following his recent trip to Africa, NPR's Steve Inskeep discusses the tensions and violence rising in Nigeria as Shell Oil seeks the rights to drill there.

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Mayors across the country have united to pledge support for the Kyoto Protocol despite the Bush administration's concerns the treaty to curb greenhouse gases will hurt the U.S. economy.

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Correspondent Spencer Michels reports on the battle over the 100-year-old O'Shaughnessy Dam in Northern California.

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Tom Bearden of the NewsHour's Science Unit takes a look at some upcoming rules on private cattle grazing on public land and the effects they may have.

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Syndicated Columnist Mark Shields and National Review Senior Editor Ramesh Ponnuru discuss the passage of the new energy bill, CAFTA, the gun liability bill and the ongoing labor union dispute.

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Congress Friday passed a sweeping energy bill that provides billions in tax breaks and other incentives to boost domestic production from traditional and alternative sources. Experts discuss the positives and negatives of the bill.

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The Senate passed a $14.5 billion energy bill Friday that includes tax breaks and other incentives to encourage increased domestic production of energy.

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