Observing & Predicting

On the afternoon of May 23, Alaska set a new statewide record for the earliest day in the year with a temperature in the 90s.

Thursday, July 1, 2010

  • This report presents a comprehensive appraisal of Earth’s climate in 2009, and establishes the last decade as the warmest on record. Reduced extent of Arctic sea ice, glacier volume, and snow cover reflect the effects of rising global temperature.