"Canadian National Railway pleaded guilty on Monday to polluting Canada's wilderness in two train derailments, one of them resulting in the largest inland oil spill in Canada's history."

"OSLO -- A rise in concentrations of a powerful greenhouse gas over the Arctic after a decade of stability is stirring worries about a possible thaw of vast stores trapped in permafrost, experts said."

The push for greener cars will likely bring a boom for companies that mine and refine lithium -- a key ingredient in batteries.

From a design award-winner to a model that uses the updraft on a roof,
small residential wind turbines are getting smarter and sexier.

U.N. Secretary-General Ban Ki-moon said the climate bill approved Thursday by the House Energy Committee is 'not enough' to stem warming to the degree hoped for in the next climate treaty.

"The U.S. Federal Energy Regulatory Commission (FERC) Thursday approved a funding plan for a major transmission project expected to reduce carbon dioxide emissions and deliver about 1,200 megawatts of Quebec power to New England."

"U.N. Secretary-General Ban Ki-moon called for a 'green new deal' on climate change on Thursday and urged for a final push in negotiations ahead of a key summit to be held in Copenhagen in December."

"Australia lifted protection levels on Friday for the world's largest surviving marsupial carnivore, the Tasmanian devil, listing the animal as endangered due to a deadly facial tumour outbreak."

An MIT study published in a major science journal predicts that global warming will be twice as severe as previous estimates.

Two days of secret meetings in China during July 2008 may have laid the foundation for a new cooperation between the U.S. and China on climate change.

EPA has found suspect materials in a small sample of Chinese-made drywall that some believe may be causing corrosion in homes and possibly sickening people.

"WHO chief Margaret Chan warned Monday that the world might be facing the calm before a swine flu storm as she faced pressure from Britain, Japan and other nations not to rush into declaring a pandemic."

"A Salt Lake City-based company can import Italian nuclear waste for disposal in Utah, a federal judge ruled Friday."

"Agriculture officials have renewed their scrutiny of the world's best-selling pest-killer as they try to solve the mysterious collapse of the nation's hives."

"Oil dumping has led to a crackdown and devious tactics to try to evade it"