Climate change is a national security concern that needs to be taken into account by U.S. maritime forces, a new report finds.
In Illinois, researchers are looking for America's next crop of biofuels to reduce greenhouse gas emissions and bolster energy security.
A new study finds that primarily natural causes led to last summer's soaring temperatures in Russia, but similar events are becoming more likely.
A new study finds the rate at which the massive ice sheets in Greenland and Antarctica are melting has been accelerating during the past two decades.
Scientists are surprised to learn that the planet's biggest ice sheet is growing from the bottom up as well as the top down.
While the world warms as a whole, the Bering Sea has cooled recently. What's happening in the waters off Alaska?
How we know carbon dioxide in the atmosphere is increasing — and it's our bad.
Pollen season is lengthening in proportion to warming observed in North America: An extra two weeks, on average, across Wisconsin, Nebraska, and Minnesota.