Unverified50% confidenceFactExact time
California's coastline has retreated an average of tens of centimeters per year over the past several decades.
1
Sources
50%
Confidence
Long-term
Relevance
9/25/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedNOAA data shows that the frequency of high-tide flooding events along coastal areas across the United States has increased by more than 300% since the 1950s.57% similarUnverifiedCalifornia is one of the states with the largest economy and the highest concentration of billionaires in the United States.53% similar
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