Climate change’s rising seas may threaten tens of millions more people than scientists and government planners originally thought because of mistaken research assumptions on how high coastal waters already are, a new study said.
Researchers studied hundreds of scientific studies and hazard assessments, calculating that about 90% of them underestimated baseline coastal water heights by an average of 1 foot (30 centimeters), according to [Wednesday’s study in the journal Nature](https://doi.org/10.1038/s41586-026-10196-1). It’s a far more frequent problem in the Global South, the Pacific and Southeast Asia, and less so in Europe and along Atlantic coasts.
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**From The Associated Press:**
Climate change’s rising seas may threaten tens of millions more people than scientists and government planners originally thought because of mistaken research assumptions on how high coastal waters already are, a new study said.
Researchers studied hundreds of scientific studies and hazard assessments, calculating that about 90% of them underestimated baseline coastal water heights by an average of 1 foot (30 centimeters), according to [Wednesday’s study in the journal Nature](https://doi.org/10.1038/s41586-026-10196-1). It’s a far more frequent problem in the Global South, the Pacific and Southeast Asia, and less so in Europe and along Atlantic coasts.
Read more: [https://www.yahoo.com/news/articles/sea-higher-thought-millions-more-160105731.html?ncid=redditnewsus](https://www.yahoo.com/news/articles/sea-higher-thought-millions-more-160105731.html?ncid=redditnewsus)
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