How High Could Sea Levels Rise by 2100? Best- and Worst-Case Scenarios
Sea‑level rise by 2100 could range from a few decimetres under aggressive mitigation to over two metres if emissions continue unchecked, shaping coastal
November 3, 2025
Thermal Expansion
How Much of Sea Level Rise Comes From Glaciers vs. Ice Sheets?
Glaciers and the massive ice sheets of Greenland and Antarctica together drive sea‑level rise, but ice sheets currently contribute roughly twice as much
November 1, 2025
How Much Do Sea Levels Rise Each Year on Average?
Sea levels are rising at an average of about 3.3 mm per year since the early 1990s, driven by thermal expansion and ice melt,
November 1, 2025
How Rising Sea Levels Will Affect Future Generations
Rising sea levels, driven by thermal expansion and ice melt, will reshape coastlines, economies, ecosystems and the lives of future generations, making understanding
October 30, 2025
How to Check If Sea Levels Are Rising Where You Live
Understanding whether sea levels are rising where you live involves using tide‑gauge records, satellite observations, local agency reports, and community tools to identify
October 28, 2025
How Fast Is the Ocean Rising Because of Global Warming?
The ocean is rising because warming waters expand and melting ice adds water, with the global average sea level climbing about 3.3 mm per
October 24, 2025
