The first comprehensive analysis of observed and projected changes in weather and climate extremes in North America and U.S. territories was released today.

Scientists are deploying an advanced research aircraft to study a region of the atmosphere that influences climate change by affecting Earth's thermal balance. Findings will be used to improve computer models of global climate.

The rate of climate warming over northern Alaska, Canada, and Russia could more than triple during periods of rapid sea ice loss, according to a new study led by NCAR.

The convening lead authors of today's landmark government report on climate change impacts in the United States are available for comment.

Computer analyses of global climate have consistently overstated warming in Antarctica, concludes new research by scientists at NCAR and Ohio State University.