Tropical fossils found in a Greenland ice core hint at volcanic eruptions that threw the world into darkness from 536 to 537 A.D.

The award from US CLIVAR) recognizes Muñoz’s ‘outstanding contributions’ to the research and applications of subseasonal-to-seasonal predictions.

The project earned grad student Anna Barth a grand prize in the American Geophysical Union’s competition on Data Visualization and Storytelling.

Climate scientist Nachiketa Acharya uses medium-term forecasts to help Indian farmers with planning and decision-making.

The “walking rock” track suggests that a massive volcanic winter may have frozen the tropics during the dawn of the dinosaur age.

New subseasonal forecasting capabilities pave the way toward forecasts that fill in the gaps between short-term weather and long-term climate.

Beth Tellman is developing new ways to assess how well remote sensing algorithms identify flooding. It could help to enable better flood protection.

A prototype model considers climate and socioeconomic factors to see if displacements of people can be predicted and better explained.

A range of areas of expertise from Columbia University’s International Research Institute for Climate and Society will be represented at this year’s annual meeting of the American Geophysical Union.

A chronological guide to key talks and other events at the Dec. 9-13 American Geophysical Union meeting in San Francisco.