The Arctic is undergoing a significant transformation as a result of climate change. A new NASA-led study has revealed that the ice melt is flooding one of the region’s significant ocean currents with fresh water.
Explainer: Nine ‘tipping points’ that could be triggered by climate change
While climate records are being routinely broken, the cumulative impact of these changes could also cause fundamental parts of the Earth system to change dramatically and irreversibly.
‘Tundra be dammed’: Beavers are following shrubs into Arctic tundra landscapes
Scientists with the University of Alaska Fairbanks, U.S. Geological Survey and other institutions have documented 56 beaver complexes that have been built since 1999 along rivers and creeks in Arctic northwestern Alaska.
