March 30, 2017

On the heels of 2016's devastating mass bleaching event at Australia's Great Barrier Reef, tourists and park managers are reporting thermal stress and mass bleaching again in early 2017.

March 23, 2017

Compared to their smooth appearance at other times of year, the lines tracking Arctic and Antarctic sea ice extent become wiggly. Why is that?

Sea ice anomaly, November 2016
December 14, 2016

A black swan event is a situation so rare that few people would have imagined it was possible. In November 2016, researchers were caught off guard by just such an event: extremely low sea ice extents in both the Arctic and Antarctic.

Mrs Ples fossil in the Ditsong Museum of Natural History, Pretoria
November 9, 2016

Rick Potts of the Smithsonian Institution discusses the role of climate variation in the evolution of our ancestors.

2016 Arctic sea ice minimum extent overlain on globe
September 15, 2016

In September 2016, Arctic sea ice tied with 2007 for the second-lowest minimum extent in the satellite record, underscoring an ongoing trend of sea ice decline.

Degassing volcano
June 15, 2016

Human activities emit 60 or more times the amount of carbon dioxide released by volcanoes each year.

Pages