"A new study adds to the growing concern that prenatal exposure to the chemical bisphenol A could harm children's development. In the study of 249 pregnant women, the first to examine the effects of BPA on children's behavior, researchers found that girls whose mothers had the highest levels of BPA during pregnancy were more aggressive and hyperactive at age 2 than other girls."

"A second-generation scarlet Sea Snake is being prepared to harness the waves of Britain's northern islands to generate electricity."

"Silicon Valley investors are pointing to something called cleantech -- alternative energy, more efficient power distribution and new ways to store electricity, all with minimal impact to the environment -- as a candidate for the next boom."

"The Supreme Court won't review an appellate decision blocking the Interior Department from ending royalty waivers at times of high oil and gas prices for deepwater energy producers in the Gulf of Mexico."

"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.

"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."

"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."

"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."

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

"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."

"'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."

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.

"President Obama’s top climate and energy official said Friday that there was virtually no chance Congress would have a climate and energy bill ready for him to sign before negotiations on a global climate treaty begin in December in Copenhagen."

"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 natural gas industry is moving to disclose information about chemicals used in controversial extraction technologies in the wake of spills at drilling sites in Pennsylvania and as New York is proposing new regulations."