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UCS: Expect more tidal flooding and sea level rise

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Courtesy of the Union of Concerned Scientists, a video starkly illustrates, in about three and a half minutes, the “growing impacts of global warming,” on tidal flooding due to rising sea levels.

As UCS notes, it’s not all that complicated: water when heated expands. Sea levels are rising, and rising faster as global warming heats up the planet.

The UCS says: “Today scores of coastal communities are seeing more frequent flooding during high tides. As sea level rises higher over the next 15 to 30 years, tidal flooding is expected to occur more often, cause more disruption, and even render some areas unusable — all within the time frame of a typical home mortgage.”

UCS also published a 76-page report, “Encroaching Tides: How Sea Level Rise and Tidal Flooding Threaten U.S. East and Gulf Coast Communities over the Next 30 Years.”

According to the report, “High tides are having a greater impact on U.S. communities today than in decades past for two reasons. First, our shores are more heavily developed, so higher tides affect more people and infrastructure. Second, these tides are now occurring on top of elevated—and rising—sea levels.”

Thus, building coastal resilience is both a local and a national imperative: “Coastal communities, and the nation as a whole, need to start planning today to cope with sea level rise and unprecedented tidal flooding, and to take swift and decisive action to limit longer-term damage to our coasts.”

Tidal flooding “has simply become a fact of life.” By 2045, some coastal communities will face flooding 24 times a year – or twice a month, the UCS says.

Climate change is not something that will happen in the distant future, although even the near-term future doesn’t look very good; it’s occurring right now, and action needs to happen right now.

 

 

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Written by William DiBenedetto

20 November, 2014 at 6:00 am

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