"As sea temperatures have risen in recent decades, enormous sheets of a mucus-like material have begun forming more often, oozing into new regions, and lasting longer, a new Mediterranean Sea study says."

"President Obama won the Nobel Peace Prize today in part for what the award's organizers said was a 'more constructive role in meeting the great climatic challenges the world is confronting.'"

To get to the root of the obesity epidemic, one Canadian reporter went in search of a junk food farm. There were no fields of Dorito bags waving in the breeze. "What you do see are vast operations growing the raw materials for junk food: soybeans and corn."

"Leftover sludge from water treatment plants contains human waste, heavy metals, pharmaceuticals and whatever else washes into the sewer system. It's also used as fertilizer - which concerns some experts."

"BANGKOK - Senior G77 members walked out of a meeting during climate talks in the Thai capital saying they would not discuss a future without the Kyoto Protocol climate pact, delegates said on Wednesday."

"U.S. companies could save tens of billions of dollars by investing in efforts to combat deforestation in developing nations instead of cleaning up their own domestic carbon dioxide emissions, according to a report released Wednesday."

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

"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."

"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."

An International Energy Agency report says that "China will be able to slow the growth of its emissions much faster than commonly assumed because of its rising investment in wind and nuclear energy and its newfound emphasis on energy efficiency."

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

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

"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."

"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.