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Human-caused climate change amplified the damages and suffering associated with Hurricane Harvey 

Denying Hurricane Harvey’s climate links only worsens future suffering, The variables in the climate change formula are mitigation, adaptation, and suffering. Denying the problem loads up on the suffering. Guardian, Dana Nuccitelli, 5 Sept 17Human-caused climate change amplified the damages and suffering associated with Hurricane Harvey in several different ways. First, sea level rise caused by global warming increased the storm surge and therefore the coastal inundation and flooding from the storm. Second, the warmer atmosphere holds more water vapor, which intensifies extreme precipitation events like the record-shattering rainfall associated with Harvey. Third, warmer ocean waters essentially act as hurricane fuel, which may have made Harvey more intense than it would otherwise have been.

There are other possible human factors at play about which we have less certainty. ……

Other human activities also worsened Harvey’s impacts. For example, Houston suffers from urban sprawl, covering a larger area (nearly 600 square miles) than the cities of Chicago, San Francisco, Washington DC, Boston, Manhattan, and Santa Barbara combined. With urban sprawl and poor planning came expansive impervious surfaces – absorbent soil covered instead by concrete and asphalt, increasing flood risks. Houston’s lack of zoning laws combined with the National Flood Insurance Program (NFIP) also encouraged development in flood prone areas.

We’re subsidizing risky behavior

Private insurance companies don’t want to insure homes that face a significant risk of flooding, but with a lack of regulation and/or government insurance offered by NFIP, development in relatively high-risk flood areas can be profitable. That is, until a flood strikes. 85% of Houston homeowners don’t have flood insurance and will be unable to recover most of their losses from Hurricane Harvey. Others are covered by NFIP, which was already $24 billion in debt before Harvey. That’s because NFIP hasn’t been charging sufficiently high premiums, in large part because it has underestimated flood risks based on maps and projections that are sometimes decades out of date. And climate change is amplifying those flood risks…….

the government is effectively subsidizing the costs associated with living in high-risk flood areas. Between 1978 and 2005, NFIP paid out $5.5 billion (9.6% of paid claims) to just 30,000 properties (0.6% of the total covered by flood insurance) that each flooded an average of five times. Because the NFIP premiums are too low, taxpayers end up footing billions of dollars of those payouts.

The situation is analogous to climate change. Without a price on carbon pollution, industries and individuals can dump carbon in the atmosphere for free. But that carbon pollution has costs that we eventually pay, in the form of increased property damage due to amplified storms like Hurricane Harvey, for example. Or from higher food prices when farmers are struck by an intensified drought, or decreased worker productivity in heat waves, or valuable coastal property lost to encroaching sea levels, or homes lost to bigger wildfires and increased costs to fight them – the list of climate costs goes on and on.

Those costs are eventually paid by taxpayers, but we’re picking up the tab for the polluters. It’s effectively a subsidy for the fossil fuel industry to the tune of trillions of dollars every year, and as with artificially cheap flood insurance premiums, we’re subsidizing risky behavior that ultimately causes severe damages.

The Trump administration is in denial

Ten days before Hurricane Harvey hit, the Trump administration rolled back the Federal Flood Risk Mitigation Standard. The policy was implemented by the Obama administration, and required taxpayer-funded public infrastructure projects to plan for future flooding risks. Much infrastructure within and around Houston is now underwater, and accounting for future flooding risks when replacing it would be smart. But the Trump administration considered this policy a burdensome regulation, claiming that the infrastructure permitting process has too many “inefficiencies.” Apparently those “inefficiencies” include saving taxpayer money by reducing future flood losses.

When asked about the causes and contributors to Hurricane Harvey and its damages, EPA administrator Scott Pruitt sidestepped the subject by using the Trump administration’s favorite strategy – attack the media:…….


September 6, 2017 - Posted by | climate change, USA

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