"Four Democratic senators are calling on the Obama administration to halt spending on a renewable energy program in the economic stimulus package until rules are in place to assure that the projects use predominantly American labor and materials."

"The United States called Wednesday for a ban on the international trade in Atlantic bluefin tuna to save the species from extinction, challenging Japan ahead of a major global meeting."

"Prominent British researchers at the heart of the hacked email scandal shot down accusations of illegally withholding scientific information charting the planet's temperature, telling a parliamentary hearing that certain governments had prohibited them from publishing all the raw data."

"Former Vice President Al Gore took aim at skeptics who doubt the reality of human-caused climate change, saying he wished it were an illusion but that the problem is real and urgent."

"An independent board of scientists will be appointed to review the workings of the world’s top climate science panel, which has faced recriminations over inaccuracies in a 2007 report, a United Nations environmental spokesman said Friday."

Climate scientists are the target of an organized campaign of hate mail and threats that they say seem calculated to silence them. And some say the bullying campaign seems to be inspired by media superstars.

"Chemicals derived from flowers may sound harmless, but new research raises concerns about compounds synthesized from chrysanthemums that are used in virtually every household pesticide. For at least a decade, pyrethroids have been the insecticide of choice for consumers, replacing organophosphate pesticides, which are far more toxic to people and wildlife. But evidence is mounting that the switch to pyrethroids has brought its own set of new ecological and human health concerns."

"Anti-whaling activists are returning to Australia after an engine problem forced them to end this season's Antarctic campaign against Japanese whalers."

"An iceberg the size of Luxembourg knocked loose from the Antarctic continent earlier this month could disrupt the ocean currents driving weather patterns around the globe, researchers said Thursday."