"The Canadian and Alberta governments said on Tuesday they will invest as much as C$558 million ($525 million) in a pipeline project to carry carbon-dioxide from an industrial region near Edmonton, Alberta, to aging oil fields."

"A push to scrap a Minnesota law barring new nuclear power plants gained a pair of influential supporters Tuesday, adding intensity to a debate before a state Legislature that has narrowly resisted the change."

"No kid should ever play in arsenic. Especially at school. Yet many probably do, according to findings of a study presented today."

"California officials on Tuesday issued the nation's first blueprint for a broad-based cap-and-trade plan, an innovative and controversial effort to use market forces to control global warming."

"Sears Holdings, the parent company of Sears and Kmart, along with two other jewelry retailers last week signed on to the No Dirty Gold campaign's Golden Rules for responsible sourcing of precious metals."

"The spread of wind and solar power is being held back by fragmented policies on paying for new transmission lines to carry renewable energy, said a group of leading transmission providers in a petition to the Federal Energy Regulatory Commission."

"Almost every plan for limiting carbon dioxide output includes keeping old nuclear plants running. But as those plants age, they turn up new problems. The latest is at a plant owned by Progress Energy in Crystal River, Fla., where a gap was found inside the thick concrete of a containment dome."

"Areas hard-hit by the U.S. automakers' slump are pitching themselves to green technology firms. Workers and machines that used to crank out cars are now making parts for solar and wind power plants."

"Fish that have the potential to devastate the Great Lakes ecosystem may be just a few miles from Lake Michigan."

"Elevated levels of two plastic-softening chemicals in pregnant women's urine are linked to less-masculine play behavior by their sons several years later, according to a study published last week in the International Journal of Andrology."

"A Senate bill's target for emission cuts is akin to level US is likely to offer in Copenhagen. Ahead of the global warming talks, other nations have been waiting to see US target."

"Concerns about toxics discharged from an unlined coal ash waste dump in suburban Washington, DC have prompted four environmental groups to give formal notice that they intend to sue Mirant MD Ash Management, LLC and Mirant Mid-Atlantic, LLC Corporation of Atlanta, Georgia for Clean Water Act violations in Maryland."

The U.S. Chamber of Commerce often says it speaks for 3 million members, businesses both large and small. What it doesn't promote as readily is that 19 supporters last year provided a third of the trade group's total revenue."

"The Environmental Protection Agency issued a final rule Monday aimed at reducing pollution from construction sites, saying that it will significantly improve the quality of water nationwide."

"Ice volume around the Arctic region hit the lowest level ever recorded this year as climate extremes brought death and devastation to many parts of the world, the U.N. weather agency WMO said on Tuesday."