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.
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
Polar bear fortunes vary across the Arctic Read More >
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.
Reflectivity of Greenland Ice Sheet in late summer hit new low in 2014 Read More >
Compared to 2012’s extreme warmth, surface water temperatures were more moderate in summer 2014. Nevertheless, pockets of very warm temperatures existed.
Summer 2014 brought above-average warmth to western Arctic waters Read More >
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.
2014 Arctic Report Card: Visual Highlights Read More >
Earth System Models (ESMs) project that climate change will lead to approximately 1-10% declines in global ocean phytoplankton productivity by the end of the 21st century, under high carbon emissio
Drivers of trophic amplification of ocean productivity trends in a changing climate Read More >
