This spring's run-up in oil prices is hard to explain on the basis of market fundamentals. It seems to be the result of speculation in the commodity markets.
"The Environmental Protection Agency, complying with a court order, will develop a rule to guarantee companies that mine everything from copper to uranium will pay for needed environmental cleanup, not taxpayers."
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.
"A fast-growing kelp from the Far East has spread along the California coast from Los Angeles to San Francisco Bay, worrying marine scientists and outpacing eradication efforts."
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.