"A plague of oxygen-deprived waters from the deep ocean is creeping up over the continental shelves off the Pacific Northwest and forcing marine species there to relocate or die."

"Emission cuts pledges made by 60 countries will not be enough to keep the average global temperature rise at 2 degrees Celsius or less, modeling released on Tuesday by the United Nations says."

"Top researchers now agree that the world is likely to get stronger but fewer hurricanes in the future because of global warming, seeming to settle a scientific debate on the subject."

"Climate change is melting the floating ice shelves along the Antarctic Peninsula, giving scientists a preview of what could happen if other ice shelves around the southern continent disappear, the U.S. Geological Survey (USGS) said on Monday."

"A panel of eminent U.S. and European scientists has confirmed the widespread scientific consensus that the Earth's climate is warming due to human activities, but said they and their colleagues should have responded more quickly and effectively to news of an error in a major climate report and hacked researcher e-mails."

"If the U.S. adopts a cap-and-trade program, companies facing carbon controls could meet part of their obligations by preserving Earth's largest tropical forest."

"The cost of pollution and other damage to the natural environment caused by the world's biggest companies would wipe out more than one-third of their profits if they were held financially accountable, a major unpublished study for the United Nations has found."

"Australia's prime minister on Friday set a November deadline for Japan to stop its research whaling program that kills hundreds of whales a year in Antarctic waters, or else face legal action."

"Leaders from Montana and British Columbia signed an agreement Thursday banning mining and drilling in a valley along the U.S.-Canadian border north of Glacier National Park."

"The sharp-tongued U.N. official who shepherded troubled climate talks for nearly four years announced his resignation Thursday, leaving an uncertain path to a new treaty on global warming."

"The U.N. climate chief Yvo de Boer has resigned to join a consultancy group as an adviser, the U.N. climate secretariat said on Thursday, two months after a disappointing Copenhagen summit."

"A range of health problems are linked to the pits on military bases in Iraq and Afghanistan. Toxic substances have been found in the smoke."

"A landmark agreement to protect shark species threatened with extinction was reached Friday as 113 countries signed up to a United Nations-backed wildlife treaty to conserve migratory sharks."

"The Canadian Nuclear Safety Commission says as many as 217 workers may have been exposed to radioactivity at the Bruce nuclear power station on the shores of Lake Huron while refurbishing a reactor in late November."

"Ex-weatherman Anthony Watts says many US weather stations produce unreliable data because they are located next to artificial heat -- but a scientific analysis suggests that, if anything, such stations underestimate warming."