Fixing leaks of natural gas -- alias methane, a potent heat-trapping gas that causes up to a third of human-caused global warming -- can save money and slow warming.

"Oil prices reached a fresh one-year high above $75 a barrel Thursday in Asia on a weaker U.S. dollar and growing investor optimism about an economic recovery."

"The shape of a broader climate pact is clearer after marathon talks in the Thai capital, the United Nations said on Friday, as rich nations were urged not to ditch the Kyoto Protocol or dodge tough emissions cuts."

"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.'"

"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."

"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."

"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."

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

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

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