New data supports the idea that methane emissions from hydroelectric dams outweigh the benefits.
Over three hundred species, including the bald eagle and 10 U.S. state birds are at risk from climate change.
In a weird week for weather, snow fell in some spots, while rains drenched normally dry areas.
The spectacular 2002 collapse of Antarctica's Larsen B ice shelf was caused by surface melting.
Nearly half of the carbon that's eroding from melting Arctic permafrost is ending up in the atmosphere.
California is planning the nation's most elaborate database of local and statewide sea level rise adaptation efforts.
The El Niño struggling to form in the Pacific is still influencing hurricane season there and the Atlantic.
As climate changes, forest ecosystems will need to shift to more suitable sites. Should we help?
Moisture from tropical storms will bring drought-easing rains to the plains, but only flash floods to SoCal.
The most comprehensive set of precipitation data collected by NASA is now available to the public.
El Niño, which has been anticipated to form since March, has yet to arrive but is still expected.
Landscape changes in the warming Sierra Nevada may have major impacts on California’s economy.
As temperatures rise in Europe, researchers warn of the increased risk of mosquito-borne diseases.
In a world with ever more competition for food, pests may pose the biggest threat.
California’s drought stresses the need to improve how the state & the rest of us divvy up a resource in demand.
A new study shows that climate change is increasing the odds of long-term drought in the Southwest.
Colors abound in this week's weather photo roundup, with a triple rainbow and glowing rains over Yosemite.
While warming is expected to reduce average snowfalls, it may have less of an impact on extreme snowfalls.
Anyone can contribute to a growing database of photos that show the state of drought across the U.S.
Old weather records are providing valuable data for scientists and fodder for stunning visualizations.