"RECYCLING refrigerators — especially those made more than 15 years ago — is a tricky job. The coolant in old appliances (now banned from newer versions) can cause serious trouble, warming the atmosphere and depleting the ozone layer."

"EDMONTON -- Environmental groups are hoping to trigger what they call the "largest civil disobedience action in the history of Canada’s climate movement"Monday in Ottawa — a sit-in on Parliament Hill to protest federal government support of Alberta's oilsands."

"The U.S. Department of the Interior is reviewing whether any of the 175 Marcellus Shale gas wells drilled in Pennsylvania state forests or other permitted or planned well developments on publicly owned land violates a 1964 federal land conservation law."

"MONTREAL - A prominent asbestos merchant is headed to Parliament Hill as part of a broader counter-offensive to salvage the reputation of his beleaguered industry."

"Photos and video of the haboob that ate Phoenix on July 5 went viral on the Internet. News stories worldwide predicted a hotter, drier, dustier future for the 'Southwest Dust Bowl.'"

"The House Energy and Commerce Committee's GOP leadership inaccurately claimed Thursday that a number of green groups support legislation to delay – perhaps indefinitely – a pair of Environmental Protection Agency power plant pollution regulations."

"The federal government has spent $16.9 billion over the past 15 years to subsidize key ingredients in junk foods that bloat Americans’ midsections and contribute to obesity-related medical conditions that cost billions more to treat."

A complex of causes -- including global warming -- may be making worse the threat of cholera outbreaks.

Evidence to support the idea that human emissions are causing global warming has been piling up for more than three decades. Denial of this demonstrable scientific truth has become a litmus test for Republicans. The reasons for this denial seem to be a massive PR campaign funded by the coal and oil industries combined with a deep-seated and angry cultural strain of American know-nothingism.