🧵
NYT article on US Nat’l Climate Assessment/Trump is right & wrong

“Trying to politicize or dismiss climate science is one thing when the warnings come from Democrats or academics. But this report comes from his administration’s very own agencies.”

nytimes.com/2021/01/01/cli…
It is right that Trump Admin has politicized the Nat’l Climate Assessment

But that is by design
So too did Clinton, Bush & Obama

The NCA is run from the White House by political appointees

Political interference is a feature not a flaw

See

rogerpielkejr.substack.com/p/fixing-the-u…
The NYT incorrectly asserts that the NCA is run by the federal agencies

That is wrong
Egregiously wrong

It is run out of the White House

See the history here:

rogerpielkejr.substack.com/p/fixing-the-u…
The 4th assessment (Obama) was highly politicized as well
It misused RCP8.5 throughout & promoted the most extreme scenarios

Somehow, work funded by Bloomberg/Steyer came to play a major role in the report, authored by scientists with undeclared COIs

➡️forbes.com/sites/rogerpie…
The NYT implies politicization of the NCA is OK from Ds & academics:
“Trying to politicize or dismiss climate science is one thing when the warnings come from Democrats or academics.”

We can expect the Biden Admin to also politicize the NCA, as this is built into its fabric...
Politicized climate science is OK if Ds do isn’t a recipe for scientific integrity in climate science advice

Everyone wants their folks in charge, but that is not how science advice is supposed to work

Climate change is real & serious which is why we need advice with integrity
Here is how to fix the National Climate Assessment, for both Ds and Rs

The importance of climate change does not mean that scientific integrity is optional, it means that it is necessary

/END

rogerpielkejr.substack.com/p/fixing-the-u…

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More from @RogerPielkeJr

31 Dec 20
🧵Another new paper shows implausibility of most commonly used climate scenarios - Liddicoat et al 2020 in JOC
doi.org/10.1175/JCLI-D…

Assuming constant 2019 CO2 emissions to 2100 (10 GtC via @gcarbonproject) gives cumulative of 1200 GtC 1850-2100, about SSP2-4.5 in Table 5⤵️
Assume net zero CO2 by 2100 give cumulative 800 GtC 1850-2100, or ~10% more than SSP1-2.6 in Table 5

Assume net zero CO2 by 2060 gives cumulative 600 GtC 1850-2100, or ~15% more than SSP1-1.9 in Table 5

Contrast:
SSP5-8.5 has 2580 GtC 1850-2100
SSP3-7.0 has 1909 GtC 1850-2100
So:
To consider SSP5-8.5 plausible requires believing that from now until 2100 the world will _average_ annual FF emissions from CO2 of about 30 GtC, or 3x that of 2019, meaning no peak until >2080 at ~50 GtC/yr

No one believes this is plausible.

/END
Read 4 tweets
23 Dec 20
An evaluation of science advice in the pandemic (thus far) via @instituteforgov cc: @EScAPE_Covid19

Science advice in a crisis instituteforgovernment.org.uk/publications/s…
The @instituteforgov offers 3 main recommendations

1-Integrate science advice with other forms of advice

Me-Honestly, we would all be better off if we just started using the phrase "expert advice" rather than "science advice" (2021 goals!)
2- Gov't needs to better explain trade-offs

Me- This points clearly to the need for expert advisors to offer decision alternatives, with judgments of expected costs & benefits of alternative courses of action as well as the bases for those judgments, uncertainties, trade-offs.
Read 4 tweets
23 Dec 20
An interesting article from @jg_environ @michaelvandenb6 that says that it critiques arguments on climate policy advanced by me, Hulme, Sarewitz, Rayner

It is very confusing because it posits "critique" in the guise of enthusiastic agreement

Short thread
On climate policy JG & MV assert "our preference for an incremental process of muddling through with polycentric governance" as somehow counter to my views, Hulmes, Hartwell etc.

Actually, this perspective is identical to my own, example from The Climate Fix below
And that of Hulme:
Read 7 tweets
21 Dec 20
Big role for direct air capture in the Omnibus Bill, including creation of a new Direct Air Capture Technology Advisory Board in DOE - apparently, it is coming
rules.house.gov/sites/democrat…
Interesting
Act includes a prohibition on asking federal scientific advisors their political party affiliation or voting history
Industrial policy is back (good)
Read 18 tweets
20 Dec 20
My 2020 year-in-review thread

1. A “Sedative” for Science Policy @ISSUESinST

A critical look at Vannevar Bush's Science: The Endless Frontier at 75

issues.org/endless-fronti…
2. Memo for President Biden: Five steps to getting more from science @NatureNews

Neal Lane (science advisor to Bill Clinton) & I offer five recommendations on science policy for the incoming Biden Administration

nature.com/articles/d4158…
3. Five ways to ensure that models serve society: a manifesto @NatureNews

Pandemic politics highlight how predictions need to be transparent and humble to invite insight, not blame.

nature.com/articles/d4158…
Read 14 tweets
17 Dec 20
This just outstanding⬇️

Silencing the Spoilsports: How ‘Pay the Players’ Drowned Out College Sports’ Fiercest Critics sportico.com/leagues/colleg… via @sportico
Oh look
A fantastic analogy @JayBilas
Read 4 tweets

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