Ice older than 4 years once dominated the winter ice pack in the Arctic. Today, only a tiny fraction of old, thick survives.
Greenland has lost ice mass every year since 1998. Losses in 2021 would have added about 0.2 millimeters to global sea level.
Climate change is transforming the Arctic into a ‘dramatically different state.’ Browse this collection of image highlights from NOAA's 2021 Arctic Report Card.
Alaska’s statewide warming rate of +5.3°F per century since 1950 is faster than any other state in the Union, by a comfortable margin. In our latest Beyond the Data blog, NCEI's Deke Arndt talks about how the interplay between climate and landscape and the soil itself put the Last Frontier on the front lines of climate change.