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Climate change is driving an increase in flood events across the U.S., both coastal and inland, due to rising sea levels and heavier rainfall. More than a third of inland flood damage since 1988 is attributed to human-caused climate change.
Coastal Flooding:
Rising sea levels:
As sea levels rise, coastal areas are experiencing more frequent and severe flooding from high tides and storm surges.
Increased frequency:
Many locations along the U.S. coastline have seen a significant increase in flooding events since the 1950s, with some areas experiencing a fivefold increase in flood frequency.
High-risk areas:
Florida, New York, and New Jersey have the highest numbers of people and properties at risk of coastal flooding.
Future projections:
Projections indicate that sea levels will continue to rise, leading to more frequent and intense coastal flooding in the coming decades, with some areas experiencing a dramatic increase in flood events.
Inland Flooding:
Heavier rainfall:
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Climate change is leading to more intense and frequent heavy downpours, which contribute to flash flooding and riverine flooding.
Increased flood damage:
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Studies show that a substantial portion of inland flood damage in the U.S. is attributable to climate change-related increases in precipitation.
Regional variations:
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While some areas are experiencing increased flooding, others, particularly in the West, southern Appalachia, and northern Michigan, are seeing a decrease in flood magnitude and frequency.
Increased risk of landslides:
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Heavy downpours can also lead to landslides, which can displace families, damage infrastructure, and pose safety hazards.
General Trends:
Billion-dollar disasters:
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The number of billion-dollar weather and climate disasters in the U.S. has increased over the past few decades, with flooding being a major contributor according to NOAA.
Vulnerable populations:
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People of color and those living in mobile homes are disproportionately exposed to flooding, especially in rural areas and the southern U.S.
Health impacts:
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Flooding can have severe physical, mental, and emotional health impacts on individuals, particularly children.


Link: https://www.npr.org/2025/07/07/nx-s1-5459755/texas-floods-climate-change