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Despite the cooling influence of La Nina this winter, the global temperature ranked among the five warmest on record in January. Earth’s polar regions continued to experience record-low ice conditions.  

As far as anyone can tell, the cold-water crayfish Faxonius eupunctus makes its home in a 30-mile stretch of the Eleven Point River and nowhere else in the world. According to a new study, the animal is most abundant in the middle part its range, a rocky expanse in southern Missouri – with up to 35,000 cubic feet of chilly Ozark river water flowing by each second.

A University of Calgary study of seasonal air pollution will be of cold comfort to thousands of Calgarians living south of the Bow River: that crisp, wintry air they’re breathing in is the worst in the city.

Wind and solar power could generate most but not all electricity in the United States, according to an analysis of 36 years of weather data by Carnegie’s Ken Caldeira, and three Carnegie-affiliated energy experts: Matthew Shaner, Steven Davis (of University of California Irvine), and Nathan Lewis (of Caltech).

The ocean is changing around the world—less oxygen, warmer water, higher acidity. The ability to quantify and observe those changes has never been more important, says Maia Hoeberechts, a scientist with the University of Victoria’s world-leading Ocean Networks Canada (ONC).