NCAR has taken delivery of a new IBM supercomputer that will advance research into severe weather and the future of Earth's climate.

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

A much-discussed idea to offset global warming by injecting sulfate particles into the stratosphere would have a drastic impact on Earth's protective ozone layer.

The shrinking expanse of Arctic sea ice is increasingly vulnerable to summer sunshine, new research concludes.