Dossier
sea ice
Coverage of sea ice in the Nexus archive.
- Antarctica’s west coast missing an area of sea ice the size of France as temperatures peak 20C above average
Antarctica’s west coast is missing winter sea ice covering an area equivalent to France, with the Bellingshausen Sea experiencing a significant loss. Temperatures in the region recently peaked 20C above average, intensifying concerns for penguins, marine life, and global sea levels.
- Arctic Ocean passed a tipping point and scientists say it may never recover
The Arctic Ocean may have crossed a dangerous tipping point due to rapid sea ice disappearance, triggering a chemical shift that reduces nitrate levels. This decline in nitrate threatens Arctic plankton, which could disrupt the entire food web, impacting fish, seabirds, whales, and polar ecosystems.