Global sea ice thumbnail
March 5, 2019

NASA ice expert Claire Parkinson confirms that global sea ice coverage has continued its overall downward trend since her original analysis was published in 2015.

July 10, 2012

In 2011, annual snow cover extent over Northern Hemisphere continents (including the Greenland ice sheet) averaged 24.7 million square kilometers, which is 0.3 million square kilometers less than the long-term average.

August 14, 2020

Records from the last five decades show that on average, spring snow is disappearing earlier in the year than it did in the past.