Sandy proves climate change is a national challenge

2012-11-03T00:00:00Z Sandy proves climate change is a national challengeEugene Robinson Washington Post Writers Group Arizona Daily Star

We've had two once-in-a-century storms within the span of a decade. Hurricane Sandy seems likely to be the second-costliest storm in U.S. history, behind Hurricane Katrina. Lower Manhattan is struggling to recover from an unprecedented flood and the New Jersey coast is smashed beyond recognition.

Will we finally get the message?

How, at this point, can anyone deny the scientific consensus about climate change? The traditional dodge - that no one weather event can definitively be attributed to global warming - doesn't work anymore. If something looks, walks and quacks like a duck, it's a duck. Especially if the waterfowl in question is floating through your living room.

For decades now, researchers have been telling us that one of the effects of climate change would be to make the weather more volatile and violent. Well, here we are.

And here we will remain, perhaps for the rest of our lives. Since the beginning of the Industrial Revolution, when humans began burning fossil fuels in earnest, the concentration of heat-trapping carbon dioxide in the atmosphere has increased by an incredible 40 percent. We have altered the composition of the air.

Even if we halted all carbon emissions tomorrow, elevated levels of atmospheric carbon dioxide - and their effect on the weather - would persist for between 50 and 200 years, the Environmental Protection Agency says.

But we won't stop spewing carbon into the air anytime soon. The global economy runs on carbon, and changing this reality will take many years and a few technological breakthroughs. Even if the United States joins Europe in taking climate change seriously and trying to do something about it, China is now the world's largest carbon emitter - and keeps adding coal-fired power plants at an alarming rate.

So one of the biggest questions facing the next president - and his successors - will be how we should best adapt to the new climatological and meteorological order.

Some environmentalists are wary of talking about adapting to climate change, fearing it provides an out for those reluctant to engage with the difficult problem of moving to cleaner energy sources. The truth is that both conversations must take place.

The economic costs alone are enough to concentrate the mind. Hurricane Katrina did more than $100 billion in damage to New Orleans and the Gulf Coast. The cost of Hurricane Sandy seems likely to exceed $50 billion.

Those sums are not big enough to have a serious impact on the U.S. economy. But consider that the total insured value of property along the Gulf and Atlantic coasts is nearly $9 trillion. Imagine the costs if, a few years from now, the next once-in-a-century superstorm slams into Miami or turns Houston into a gigantic bayou.

About half of all Americans live within 50 miles of the sea, according to the Census Bureau. About three of every 10 Americans live in coastal counties, including 41 million on the Atlantic seaboard and 14 million on the Gulf Coast - the areas most vulnerable to Katrina-style and Sandy-style storms.

Given sea-level rise, cities are going to have to consider building hugely expensive surge barriers similar to the ones that protect Rotterdam and London. For New York, this seems a no-brainer. What price is too high to protect one of the great financial and cultural centers of the world?

Do we need new and more restrictive building codes for vulnerable barrier islands, such as those along the Jersey shore? These may be state and local issues, but tackling them will require federal involvement.

Climate change is a national challenge. Ignoring it is not a solution. Pretending it isn't happening will not make it stop.

Email Eugene Robinson at eugenerobinson@washpost.com

Copyright 2014 Arizona Daily Star. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.

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