Features

The annual State of the Climate reports involve more than 400 international authors from more than 50 countries. Two chapter authors reflect on what it means to play a part in such an ambitious report.

Monday, February 1, 2010

  • NOAA researchers have built a "time machine" for weather that provides detailed snapshots of the global atmosphere from 1891 to 2008. The system's ability to "hindcast" past weather events is emerging as a powerful new tool for detecting and quantifying climate change.