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Study Reveals Sea Levels 30 cm Higher, Threatens Millions

3/4/2026

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Summary

Story summary

A study in the Nature journal finds sea levels are 30 cm higher on average, with regional increases of 100–150 cm.
It analyzed 385 peer-reviewed articles and found 90% relied on inaccurate land elevation measurements, not direct sea level data.
The findings suggest rising sea levels threaten coastal communities and could affect 132 million people.
Researchers urge reevaluation of coastal hazard studies to improve climate policy accuracy.

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Story summary

A study in the Nature journal finds sea levels are 30 cm higher on average, with regional increases of 100–150 cm.
It analyzed 385 peer-reviewed articles and found 90% relied on inaccurate land elevation measurements, not direct sea level data.
The findings suggest rising sea levels threaten coastal communities and could affect 132 million people.
Researchers urge reevaluation of coastal hazard studies to improve climate policy accuracy.