"One of the chief expectations of those who voted for President Obama is that he moves assertively to pass climate change legislation, whatever the political climate in Washington."

"WASHINGTON -- Just before he and other environmentalists marched to the White House on Tuesday, climate change activist James Hansen warned he wouldn’t be able to be arrested with them this time. Hansen, a NASA scientist by day and an activist on his own time, had to be available for a press conference in the afternoon announcing that worldwide temperatures in 2012 were in the top 10 hottest ever recorded."

"A major new federal report warning the United States could warm up to 10 degrees Fahrenheit by the end of the century if global greenhouse gas emissions continue to rise has renewed hope among environmental groups that President Obama will make climate change a priority in his second term."

"Pennsylvania is considering new air pollution limits for diesel- and natural gas-powered engines used in Marcellus Shale development that are stricter than those that exist now but, according to eight environmental groups, not nearly as tough as they could and should be."

"It was the kind of meeting that conspiratorial conservative bloggers dream about."

"BP and its partners in the Macondo well that released an estimated 4.9 million gallons of oil over three months beginning in April 2010 should be required to inform state officials -- and the public -- of the toxic materials included in the spill, and the potential health effects of those materials, a three-judge appellate panel ruled in New Orleans on Wednesday."

"A grassroots indigenous movement is shaking up politics in Canada. It's called Idle No More. Like Occupy Wall Street and the Arab Spring, it spread quickly through social media and it's now got the attention of Canada's leaders, thanks to the efforts of one chief from a tiny tribe whose hunger strike has galvanized the movement." ...

"Controversial environmental activist Paul Watson has stepped down as head of the Sea Shepherd Conservation Society after being named in a U.S. court order preventing him from approaching Japanese whaling fleets."

"Representative Jack Kingston (R-GA), the incoming chair of the U.S. House of Representatives panel that controls the budget of the National Institutes of Health (NIH), has a long-standing reputation as a conservative budget hawk intent on reducing government spending. He's also known for being skeptical that humans are contributing to climate change and for rejecting Charles Darwin's theory of evolution by natural selection. But although that record might make many scientists anxious, his reputation as an inside operator who understands the importance of funding research makes many science boosters breathe a little easier. "