Levels of carbon dioxide in the atmosphere are fluctuating more than they used to from one season to another, according to observations from the HIPPO field project. This may be a sign of significant changes in northern ecosystems.

Two NCAR senior scientists are being recognized by the American Geophysical Union for their work on research and communication.

James Hurrell, an associate director and senior scientist at the National Center for Atmospheric Research, has been named the center’s new director.

Just as forecasters now peg the odds of a busy Atlantic hurricane season months in advance, we might soon have outlooks that assess the risk of an active tornado season weeks or even months ahead of time.

The NWSC received top honors in a category that recognizes the reality of designing and operating data centers in the context of environmental scrutiny.