Why Greenland and Antarctica’s Glaciers Are Melting Six Times Faster
Glaciers in Greenland and Antarctica are melting six times faster than in the 1990s because rising air and ocean temperatures accelerate surface and
November 8, 2025
Oceans & Ice
Changes in the world’s oceans, ice masses, and related coastal impacts.
How Rising Sea Levels Threaten Freshwater and Drinking Supplies
Rising seas cause saltwater intrusion, jeopardizing freshwater sources and drinking water worldwide; understanding the mechanisms, evidence, and responses is essential for long‑term water
November 8, 2025
How Sea Level Rise Changes Tides and Coastal Flooding
Rising sea levels shift tidal baselines, heighten high tides, and magnify storm‑driven flooding, reshaping coastlines and threatening ecosystems and communities worldwide. Quick Answer
November 7, 2025
How Do Sea Levels Rise? What’s Really Pushing the Water Up
Sea level rise results from warming‑induced thermal expansion of seawater and the addition of meltwater from glaciers and ice sheets, a process confirmed
November 7, 2025
Sea Level Rise in the Past 100 Years: How Fast Is It Accelerating?
Sea level has risen about 20–25 cm (8–9 in) since 1900, and the rate of rise has more than doubled in the last three decades,
November 5, 2025
Why Melting Arctic Sea Ice Doesn’t Raise Sea Levels
Melting Arctic sea ice does not raise sea levels because the ice is already floating and displaces its own water volume, while sea‑level
November 5, 2025
