December 8, 2015

Increasing air and sea surface temperatures, decreasing sea ice extent and Greenland ice sheet mass, and changing behavior of fish and walrus are among key observations released today in the Arctic Report Card 2015.

October 22, 2015

Above-average rainfall this past spring in Morton, Illinois, the so-called “pumpkin capital of the world,” is to blame for a pumpkin shortage this fall. 

October 8, 2015

Can we blame El Niño for this year’s global coral bleaching event?

September 30, 2015

Tom Di Liberto explains how algae and other phytoplankton usually behave.

Pseudo-nitzschia cells under a microscope
August 6, 2015

From Alaska's Aleutian Islands to southern California, impacts since May have ranged from record-high concentrations of neurotoxins, to shellfish harvesting bans, to reports of sick and dead ocean life. 

Ocean scientists have designed a new aquatic robot that can go where they suspect some of the heat energy from global warming is hiding: in the abyss.

September 26, 2017

Record high sea levels and rainfall extremes have buffeted Hawaii and other U.S. Pacific islands this year.  

This lesson plan has students working in small groups to research the Mountain Pine Beetle in Colorado and other inter-mountain Western states. Students identify the factors that control pine beetle population and research how warmer winters and decreasing spring snowpack allow the population of pine beetles to expand.

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