"President Barack Obama is putting the federal government on a greenhouse-gas diet. In an executive order signed Monday, Obama directed all agencies to set the first-ever targets for reducing climate-altering pollution from government buildings, fleets and federal workers' commutes."

"Solar panels are expensive and increasingly in demand. And now, many communities are learning of their solar array's value the hard way – they're being stolen."

"Here on the endlessly rolling and tussocky terrain of northwest Canada, where man has hunted caribou since the Stone Age, the vast antlered herds are fast growing thin. And it's not just here."

The U.S. Chamber of Commerce recently denied that it was in denial about climate change. But in filings earlier this year with EPA, it questioned the science behind climate change, suggested air-conditioning would protect people, and theorized that global warming would be good for people anyway.

"'Climate disruption is the greatest threat ever to America's national parks,' warns Stephen Saunders, president of the Rocky Mountain Climate Organization and principal author of a new report released Thursday that identifies the 25 U.S. national parks, lakeshores, seashores and monuments most at risk of global warming."

"Twenty-five northeast Indiana schools violated the Safe Drinking Water Act over a 15-year period, according to data provided by the U.S. Environmental Protection Agency."

Federal water managers open valves this week for an ambitious effort to restore salmon from the San Joaquin River.

"Just a few years ago, king salmon played an outsize role in villages along the Yukon River....But this year, a total ban on commercial fishing for king salmon on the river in Alaska has strained poor communities and stripped the prized Yukon fish off menus in the lower 48 states."

"Half a century after Pacific walruses began recovering from industrial-scale hunting, marine biologists are growing worried that they face a mounting threat from global warming."

"Developing countries are standing their ground against demands by rich nations to add steps to curb carbon emissions into a formal registry or appendix as part a broader pact to fight climate change." Hopes dim for nations to reach a climate pact in Copenhagen in December.