As the Arctic melts, the ground may release half again as much carbon dioxide as humans have created through fossil-fuel burning in the past few hundred years.
The result of a mix of La Nina and other climate cycles, the U.S. experienced a colder and drier than average January.
This winter has featured unusually cold and snowy conditions in the Lower-48 states, with much milder than average conditions in the Arctic.
A new study says that melting snow and ice cover in the Northern Hemisphere is causing more warming than computer models predicted.
Desert dust blown onto the West’s mountains causes snow to melt prematurely, costing the Colorado River five percent of its annual flow.
Climate research offers little reason to believe that the snowy start to the year in the Colorado Basin is a harbinger of wetter times to come.
With drought, increasing water consumption, and climate change, the Colorado River Basin appears headed for a day of reckoning.
Both NOAA and NASA reported today that 2010 tied with 2005 for the title of warmest year on record.