New research has revealed abrupt warming, that closely resembles the rapid man-made warming occurring today, has repeatedly played a key role in mass extinction events of large animals, the megafauna, in Earth's past.
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.
One city banned Styrofoam. Another has the highest percentage of "clean" cars in Europe. Still another has cut greenhouse gas emissions by 29 percent since 1990—while seeing its GDP grow 19 percent.
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.
Limiting warming to any level requires CO2 emissions to be kept to within a certain limit known as a carbon budget. Can reducing shorter-lived climate forcers influence the size of this budget? A new IIASA study published ...
Inconspicuous creatures surprise with a property that is important for our climate: Lichens, mosses and cyanobacteria release large quantities of the greenhouse gas nitrous oxide (N2O), also known as laughing gas, and low ...