US Ruling May Let States Fight Global Warming

US Ruling May Let States Fight Global Warming

Ann Carlson, UCLA Professor of Law and Director of UCLA's Environmental Law Center.

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Duration: 05:29

In this podcast, Ann Carlson, UCLA Professor of Law and Director of UCLA's Environmental Law Center, explains how the U.S. Supreme Court's decision in Massachusetts v. EPA is likely to affect California's efforts to regulate some important causes of global climate change.