Hurricanes, heat and floods: which US cities are most vulnerable to climate change - ForumDaily
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Hurricanes, heatwaves and floods: which US cities are most vulnerable to climate change

According to new Moody's Analytics report, climate change poses a major threat to the US urban economy, and metropolitan areas such as San Francisco (California), New York (NY) and Phoenix (Arizona) are among the most at risk from sea level rise, extreme heat and lack of water. The edition told in more detail CNBC.

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The report, which assesses which cities and states are most vulnerable or resilient to climate change, calculates projections based on two different categories of risk — the long-term impact of drought, extreme heat and rising sea levels, and the short-term impact of hurricanes, wildfires and floods.

“In the absence of policy changes, large coastal states such as California, Florida and New York are particularly vulnerable, while the more remote northern states will only be slightly worse off, and a few smaller metropolitan areas may even be slightly at an advantage. ,” wrote Adam Kamins, senior director at Moody's and author of the report.

Florida's exposure to hurricanes makes it uniquely susceptible to short-term physical risk. The Carolinas and Louisiana also rank at the top of the physical risk rankings, reflecting the particularly precarious position that the southeastern United States occupies.

On the subject: More than 2050 billion people will face water shortages by 5 due to climate change

Among the urban areas that are in the worst position are San Francisco, Oakland (California); Cape Coral (Florida); New York, Long Island (New York); Phoenix (Arizona).

Wildfire risk is highest in the western United States, with California, Washington, and Utah in the top three. By comparison, flood risk is highest in northern New England and West Virginia. But the economic impact of wildfires and floods pales in comparison to those of tropical cyclones.

San Francisco is not particularly exposed to any one hazard, the report says, but the above-average risk for each category makes it the most vulnerable large urban area.

New York is especially vulnerable to significant losses due to sea level rise. The report says that Manhattan is surrounded by water, and frequent flooding could "damage an economy in which much of the activity - and the ability to travel - is tied to low-lying land or subway tunnels."

In Phoenix and Tucson, Arizona, increased water scarcity makes them among the most exposed to chronic climate risk, although their inland location makes them immune to rising sea levels. Other western states such as New Mexico and Utah will also face water shortages as drought conditions worsen.

Various metro-areas least affected by extreme heat, sea level rise and drought include Baton Rouge (Louisiana); Detroit (Michigan); Knoxville (Tennessee); Warren (Michigan); and Dayton, Ohio.

Baton Rouge is one of the most climate-resilient areas because it has better access to fresh water and is not affected by sea level rise, although Louisiana as a whole struggles with more severe and frequent climate disasters such as hurricanes.

The report also attempted to predict the economic impact of climate change adaptation by simulating what would happen if the American public took action early or delayed it. The Washington Post.

For example, if the United States takes urgent action to phase out fossil fuels, energy-dependent states such as Alaska and Oklahoma will suffer more economically than others. If the US delays action, high-risk states such as Florida, New Jersey and New York will face more painful economic consequences.

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The analysis also considered the risks associated with natural disasters caused by climate change: hurricanes, wildfires and floods. The economic risks from this measure were more concentrated along the East Coast, in part because losses from hurricanes can be very high. Florida, Louisiana, South Carolina and North Carolina were the states most affected by climate disasters, while the most affected cities were almost all in the Carolinas and Florida.

Some districts performed relatively well in certain indicators. Kentucky, Louisiana, and Tennessee have aquifers that protect them from drought. Because Montana and the Dakotas are cold climates and not coastal, they are better protected from the physical challenges of climate warming, but their fossil fuel-dependent economies face challenges as the world shifts to renewable energy.

The Midwest turned out to be the part of the country that is probably the least vulnerable.

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