"Arab officials in the Persian Gulf strongly denied Tuesday a report that they're in secret talks to replace the U.S. dollar with a basket of currencies to price oil."

The Supreme court will hear a major free speech case today that could restrict how environmental journalists do their jobs.

"Too many boats and technology that is too good mean that nations must cooperate to preserve tuna and other fish stocks."

"Twenty-six countries Friday issued a joint statement putting diplomatic pressure on Iceland to abandon whaling. Icelandic whalers have killed more than 200 whales so far since June, including endangered 125 fin whales and 79 smaller and more abundant minke whales."

"Apple is pulling out of the U.S. Chamber of Commerce because of the organization's strident criticism of plans to reduce U.S. greenhouse-gas emissions, the computer giant said Monday."

"Tax credits for making your home more energy efficient got a lot of early buzz. The promise of up to 1500-dollars back for insulation and windows or efficient furnaces led to a flurry of advertising." But something might be stopping people from taking advantage of the tax credits.

"The Interior Department moved closer to establishing habitat protections for the polar bear yesterday by sending its proposed rule to the White House Office of Management and Budget for review."

Despite federal efforts, meat companies and grocers have continuted to sell ground beef tainted by the virulent strain of E. coli known as O157:H7.

The dense, multiyear ice that holds the polar ice cap together is disintegrating, and scientists say it is not coming back.

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."

"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."