A team of scientists has successfully flown from the Arctic to the Antarctic this month, the first step in a three-year project to make the most extensive airborne measurements of carbon dioxide and other greenhouse gases to date.

While there has been much attention focused on the question of whether climate change influences hurricanes, scientists are also interested in whether the reverse holds true: do hurricanes significantly impact global climate?

The UCAR has had its A+ long-term rating and underlying rating affirmed this month by credit rating agency Standard & Poor's for the eighth consecutive year.

New research by NCAR scientists uses atmospheric general circulation model experiments to explore how projected losses in Arctic sea ice may affect climate.