NOAA@NSIDC is pleased to announce the release of Sea Ice Index, Version 4. This new version uses input data from the JAXA GCOM-W1 AMSR2 instrument for 1 January 2025 through forward processing. Input ...

The Arctic outpost meant to safeguard humanity’s future is now ground zero for a host of issues linked to climate change.

The research is published in the journal Nature. Over the past 20 years, the Arctic has experienced ocean warming and sea ice loss, which have changed the marine environment.

Antarctic sea ice has been declining since 2015, defying model predictions to hit a record 0.6 million square miles (1.55 million square kilometres) below its expected average extent in 2023. At ...

Antarctic sea ice coverage was 9% below average in June, ranking as the third-lowest value on record for the month. In the Arctic, it was 6% below average, marking the second-lowest June extent on ...

New research shows that climate systems like sea ice and permafrost may shift abruptly, even at 1.5°C (2.7°F) of warming.

NOAA@NSIDC is pleased to announce the upcoming release of Sea Ice Index, Version 4, available at the National Snow and Ice Data Center on August 1. This new version transitions from SSMIS to AMSR2 ...

The Arctic is warming at a rate four times that of the rest of the planet, the organization says, leading to monumental losses of sea ice that can harm not only the ecosystem, but also the animals ...

July 15 marks World Arctic Sea Ice Day, a campaign organized by Polar Bears International to raise awareness about the rapid loss of sea ice on our planet’s northern cap.

Arctic sea ice extent has been declining since 1979, with signs that the rate of loss is accelerating. (US National Snow and Ice Data Center) ...