President Barack Obama's plan to slash electricity-generated CO2 emissions was welcomed Tuesday as a courageous step towards a lower-carbon future, but not yet enough to brake dangerous planet warming.
More than a dozen small island nations made an urgent appeal to the UN Security Council for help in combatting climate change, which they said poses a threat to their very existence.
A new study led by a University of York scientist addresses an important question in climate science: how accurate are climate model projections?
Senior diplomats charged with condensing an unwieldy draft for a global climate rescue pact, due to be inked in December, handed in their much-anticipated homework on Friday.
Mayors from around the world have signed a declaration with Pope Francis stating that man-made climate change is real and humanity has a moral imperative to take action.
Mayors from around the world declared Tuesday that climate change is real, man-made and must be stopped as a matter of moral imperative, gathering at the Vatican to announce new measures to fight global warming and bask in ...
A team of elder Silicon Valley scientists is building an audacious device that might solve one of humanity's most profound dilemmas - a "cloud whitener" designed to cool a warming planet.
French Foreign Minister Laurent Fabius urged top diplomats from 45 nations Monday to "start looking now for compromise" in forging a global climate rescue pact.
A slow-down in global warming is not a sign that climate change is ending, but a natural blip in an otherwise long-term upwards trend, research shows.
Foreign and environment ministers and other high-level officials from 45 countries are set to gather in Paris Monday seeking to re-energise climate talks mired in technical details and political squabbling.