As heat waves become more frequent and intense, mothers are facing increased risk of preterm and early-term labor.

NSF NCAR experts are available for media interviews about hurricanes.

The increasingly powerful winds of the East Asian Monsoon are are lofting unexpectedly large quantities of ozone-depleting substances high into the atmosphere.

Experts at NSF NCAR are available to talk with reporters about a number of aspects of atmospheric rivers.

Typically, pilots avoid flying where icing conditions can occur, but researchers are flying into extremely cold weather in order to study an Arctic phenomenon known as marine cold air outbreaks (CAOs). CAOs and the clouds they generate may have far-reaching climate impacts and scientists are hoping to understand more about the role they are playing in the rapid warming of the Arctic.