Warmist Donald Wuebbles, according to "Scientific" American: The Texas heat wave of 2011 was 20 times more likely to be tied to human-induced warming than to natural causes

Scientists Detail Severe Future Impacts of Climate Change: Scientific American

In a probable scenario for climate change, New Orleans will no longer exist. Neither will Atlantic City, N.J. Boston will look much like it did in the 17th century, before the city was dredged up to build a port. And Florida will no longer keep its distinct appendage shape.
...The Texas heat wave of 2011 was 20 times more likely to be tied to human-induced warming than to natural causes, said Wuebbles.
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The worst-case scenarios predict a 14- to 15-degree-Fahrenheit increase by the end of the century, said Wuebbles. Chicago would feel like Birmingham, Ala.
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With projected sea level rise of 3 to 6 feet, some cities will simply drown. "New Orleans is gone. Atlantic City is gone," [James McCarthy] said.
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Sen. Bernie Sanders (I-Vt.) asked the panel whether the United States should go forward on the construction and operation of the Keystone XL pipeline, which would bring crude from Canada's bitumen-rich oil sands to the Gulf of Mexico.

The way the extraction of oil sands is being conducted right now, it is "the dirtiest possible source of fossil fuel," McCarthy said. "Simply to burn it is a ridiculous, ridiculous exercise."