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THREAD: The Trump administration is reportedly trying to limit the use of climate models that help us understand the climate future we face.

Here’s what you need to know about this attack on science: act.ucsusa.org/2WyBxqK
James Reilly, the head of the US Geological Survey, has reportedly ordered USGS scientists to limit projections of climate impacts to just 2040.

This would, in effect, limit the severity of impacts reported since studies typically project out to 2100. nytimes.com/2019/05/27/us/…
Failing to account for climate impacts past 2040 is like pretending a child born today won’t live past 21.

Carbon dioxide can live on in the atmosphere for decades to thousands of years, which is why studies project further than two decades out. ipcc.ch/report/ar5/wg1…
Climate change is largely “baked in” over the next decade. The choices we make today to reduce emissions matter most late-century, but the costs and benefits of these choices can’t be adequately measured if projections don’t extend past 2040. nca2018.globalchange.gov/chapter/2/#fig…
The law establishing the National Climate Assessment requires that the report – authored by scientists across the federal government, including at USGS – include projections of “major trends [in global change] for the subsequent 25 to 100 years.” globalchange.gov/about/legal-ma…
Climate scientists are able to project climate impacts beyond the next 21 years. The Trump administration shouldn’t interfere with what the science allows. You can’t ignore the future. act.ucsusa.org/2WyBxqK
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