Democrats still trying to sell outlandish projections of certain doom on global warming

The Daily Signal:

It’s been repeated throughout the media that global warming could wipe out one-tenth of the U.S. economy by 2100. Now it’s a top-line finding of a major government climate report, but based on a study funded by groups affiliated with two major Democratic donors.

The oft-repeated claim also stemmed from a global warming projection that’s come under increased scrutiny from experts, including one who called it “outlandish.”

The federal government released the second volume of the National Climate Assessment, or NCA, on Friday. The federal report issued dire warnings, including from “ice sheet disintegration on accelerated sea level rise, leading to widespread effects on coastal development lasting thousands of years.”

The report also claims that “global greenhouse gas emissions is expected to cause substantial net damage to the U.S. economy throughout this century,” including a 10 percent hit to the nation’s gross domestic product in one extreme scenario.

However, NCA’s dire prediction of a 10 percent hit to the GDP comes from a 2017 study supported by the charitable foundations founded by major Democratic donors. The study was also funded by other organizations, including the National Science Foundation, the U.S. Department of Energy, and the Skoll Global Threats Fund.

That 2017 study, published in the journal Science, was funded in part by Bloomberg Philanthropies and Next Generation, which were founded by former New York City Mayor Michael Bloomberg and San Francisco billionaire Tom Steyer, respectively.

University of Colorado professor Roger Pielke Jr. pointed out problems with the study on Twitter Saturday, including the fact it was funded by groups connected with Bloomberg and Steyer.

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Roger Pielke Jr.

✔@RogerPielkeJr

1/2 By request
Here’s source of the top line conclusion of US National Climate Assessment, 10% damage to US GDP
It’s derived from a study funded by Tom Steyer et al.
The 15 deg F temp increase is 2x most extreme value reported elsewhere in the report (95th percentile of RCP 8.5)

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4:45 PM - Nov 24, 2018

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Bloomberg and Steyer were the biggest donors to Democratic-aligned political action groups in the 2016 election cycle, according to the Center for Responsive Politics.
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Pielke called the use of such an extreme scenario “embarrassing” because it’s based on a future that’s 15 degrees Fahrenheit warmer—in other words, twice what the United Nations’ most extreme scenario projects.
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I think these guys make extreme projections in order to scare people into the actions they would like to see taken as a political matter.  Their problem is that even their modest projections have not been realized.  When projections are not met, it is always because they were made based on invalid assumptions.