A nuclear exchange, even if limited to one region, would have severe atmospheric impacts.

Scientists link coal, oil, and biomass to a layer of sulfates high above Asia.

A recent conference marked the 25th anniversary of a crucial international meeting, organized with support from UCAR, that brought together atmospheric sciences from Taiwan and mainland China for the first time in decades.

UCAR has signed an agreement with NSF to renew its management of NCAR for five years

Last week’s Arctic outbreak brought some of the coldest air in decades across the U.S. Midwest and South. But interestingly, it didn’t last as long as historic cold waves of the late 20th century.