From record warming to rusting rivers, 2025 Arctic Report Card shows a region transforming faster than expected
- Written by Matthew L. Druckenmiller, Senior Scientist, National Snow and Ice Data Center (NSIDC), Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado Boulder
As temperatures rise, the timing of the ice thaw changes.Vincent Denarie via Arctic Report CardThe Arctic is transforming faster and with more far-reaching consequences than scientists expected just 20 years ago, when the first Arctic Report Card assessed the state of Earth’s far northern environment.
The snow season is dramatically shorter...









