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20 Major US Cities Most and Least Threatened by Climate Change - Planetizen

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20 Major US Cities Most and Least Threatened by Climate Change | Planetizen News

By 2050, climate change will have the biggest negative impact on urban areas located in the Sun Belt.

Online insurance marketplace Policygenius evaluated the 50 largest U.S. cities to determine which will be most and least impacted by climate change by 2050. The factors analyzed included heat and humidity, flooding and sea level rise, air quality, and frequency of natural disasters such as hurricanes, tornadoes, wildfires, social vulnerability, and community resilience.

Least Impacted

San Francisco, California Seattle, Washington Columbus, Ohio Minneapolis, Minnesota Baltimore, Maryland Milwaukee, Wisconsin Portland, Oregon Pittsburgh, Pennsylvania Richmond, Virginia Denver, Colorado

Most Impacted

Houson, Texas Miami, Florida Tampa, Florida Jacksonville, Florida Orlando, Florida New Orleans, Louisiana Los Angeles, California Memphis, Tennessee Riverside, California Virginia Beach, Virginia

Of the cities ranked most at risk, all are located in the Sunbelt, which often tops lists of the best places to move or retire. Eight of those are located in the South, which was the only region that drew net new residents from other states in 2023, according to data from the U.S. Census Bureau. Experts are concerned this trend will leave an increasing number of people, particularly Black communities and communities of color, vulnerable to the negative impacts of climate change.

FULL STORY: Best & worst cities for climate change

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Related Knowledge Center: Climate economics

State of Play

Climate change is now a driver of the world’s economy. The impact is profound:

  • Catastrophic weather events — hurricanes, floods, droughts, high temperatures — are more frequent and more extreme. The cost can be measured in both the initial damage caused and the longer-term impact on the economy.
  • Vulnerable communities are increasing climate-related investments, hardening infrastructure and taking other protective measures.
  • Investment in carbon capture and storage technologies is increasingly rapidly.
  • Governments are making investments and crafting regulations to reduce emissions of carbon dioxide and other greenhouse gases. 

On top of all of this is the cost of uncertainty. As the Fourth National Climate Assessment, released in 2018 by the U.S. Global Change Research Program, says, “The assumption that current and future climate conditions will resemble the recent past is no longer valid.”

More informationabout Climate economics