US says it's committed to cutting greenhouse gases

(AP) -- The United States assured international negotiators Monday it remains committed to reducing carbon emissions over the next 10 years, despite the collapse of efforts to legislate a climate bill.

Guests pedal to stay at Copenhagen eco-hotel

In the lobby of an up-market hotel in a Copenhagen suburb, a suit-clad businessman pedals away on a stationary bike, periodically glancing at the counter to see how far he has gone and how much energy he has produced.

Germany, Mexico trying to push climate talks ahead

(AP) -- Five months after the troubled United Nations conference in Copenhagen, Germany and Mexico are teaming up in an effort to break the deadlock in negotiations on a global climate deal.

Climate: Copenhagen pledges set Earth for +3 C warming - study

Carbon-curbing pledges under the Copenhagen Accord are likely to doom Earth to warming of three degrees Celsius (5.4 degrees Fahrenheit) or more, compared to the deal's target of 2 C (3.6 F), scientists said on Wednesday.

From Beijing to Paris, world to go dark for Earth Hour

Global landmarks from Sydney's Opera House to the Forbidden City, to the glittering Las Vegas Strip, will be plunged into darkness Saturday as activists bid to reinvigorate the climate change fight.

Deforestation conference to turn plans to action

(AP) -- French President Nicolas Sarkozy will open a daylong conference Thursday of some 40 nations to start turning plans into action to save the world's forests and help rein in the noxious gases blamed for climate change.

Scientists seek better way to do climate report

(AP) -- A steady drip of unsettling errors is exposing what scientists are calling "the weaker link" in the Nobel Peace Prize-winning series of international reports on global warming.

World's mayors tackle climate change on their own

(AP) -- It isn't easy getting Italy's city dwellers out of their Fiats, off their Vespa scooters and onto bicycles to ride to work, "like here in Copenhagen," says an Italian environmental official.

Penn State scientist at center of a storm

A few words culled from some hacked e-mails in Britain have generated chaos in the world of climate science -- throwing dark clouds over Pennsylvania State University and stirring up negative publicity for the field that ...

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