Coral reefs are crucial to the ocean's ecosystem, providing sustenance to a quarter of marine life. Today, more than one third of the world's reefs are deteriorating. What's causing coral reef destruction and possible new remedies to address it.
President Obama reconsiders tighter auto emission and fuel standards rejected by the Bush administration. What these standards could mean for air quality, fuel efficiency and the troubled U.S. auto industry.
- David Shepardson Washington bureau chief, The Detroit News.
- Mary Nichols Chairman of the California Air Resources Board
- Phyllis Cuttino directs the Pew Environment Group's U.S. Global Warming Campaign.
- Jerry Taylor senior fellow, Cato Institute
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