Marine biologist Jane Lubchenco now heads one of the U.S. government’s key agencies researching climate change -- the National Oceanic and Atmospheric Administration. In an interview with Yale Environment 360, Lubchenco discusses the central role her agency is playing in understanding the twin threats of global warming and ocean acidification.

Environmental activists who campaigned hard to elect Barack Obama president feel cheated and disillusioned by what they see as a lack of leadership and readiness to compromise on environmental issues like climate change.

"If there weren't already enough barriers to building a gas pipeline from Alaska's North Slope, the Lower 48 recently entered its biggest-ever natural gas boom."

"A federal appeals court today struck down a Bush administration rule for controlling industrial emissions that form smog."