News & Features

April snow extent was record low across Europe and Asia, and in June, the entire Northern Hemisphere was below average for the tenth year in a row. Spring snow is disappearing even more rapidly than Arctic sea ice in summer.    

Research supported by CPO's Modeling, Analysis, Prediction, and Projections (MAPP) program has been published in Geophysical Research Letters . The study, titled "Spring Persistence, Transition and .. ...

Sea ice changes are key to polar bear health and numbers.  Only one of the evaluated groups is increasing. Several are stable; a few are already declining

Punctuating a trend of declining reflectivity, the Greenland Ice Sheet reflected less sunlight in August 2014 than it did in any previous summer on record.

Compared to 2012’s extreme warmth, surface water temperatures were more moderate in summer 2014. Nevertheless, pockets of very warm temperatures existed.

The latest installment of NOAA's Arctic Report Card confirms that Arctic air temperatures are rising at more than twice the rate of the planet as a whole. This collection of images highlights some of the key changes in physical and biological conditions in the Far North.

If we look only at rainfall changes, and not ocean temperatures, can we get a clearer picture of how climate change will influence ENSO? Guest blogger Mat Collins from University of Exeter explains what recent studies have to say.

New research supported by the Climate Program Office's Atmospheric Chemistry, Carbon Cycle, & Climate (AC4) program was published online in the Proceedings of the National Academy of Science on Dec. . ...

According to a new NOAA-sponsored study, natural oceanic and atmospheric patterns are the primary drivers behind California's ongoing drought. A high pressure ridge off the West Coast (typical of ... ...

From Hawaii to the Florida Keys, the surprising intensity of coral heat stress in 2014 has scientists wondering what to expect in 2015, when El Niño is forecasted to finally develop.