El Niño exerts its global impact through two different atmospheric pathways, one located miles above the other—a finding that may help bolster regional climate prediction.

Geophysical Research Letters, a leading journal in Earth science, is toasting its 40th anniversary this month with an editor-picked retrospective collection of 40 papers, including several with authors from NCAR.

Americans face the risk of a 70 percent increase in unhealthy summertime ozone events by 2050 because of factors related to climate change.

Climate change will reduce water availability during dry seasons and increase it during wet seasons around the globe, new research suggests. It also finds there will be large regional variations in water-related impacts.

UCAR and the U.N. Foundation have assembled a network of experts who can discuss climate change in communities across the country.