🧵
Why are climate scientists so mad at me?
Here's one answer
For almost 30 yrs I've been writing abt the conflicts between (a) the special interests of the climate science community and (b) the broader social responsibilities of this community

Pretty normal STS fare ... read on
My 1994 PhD dissertation was an evaluation of the then newly-created US Global Change Research Program
link.springer.com/content/pdf/10…

I argued that the USGCRP would do a lot of good science but have limited policy relevance (a conclusion later reached by a @theNASEM study)
I was a post-doc at NCAR when this paper came out
It resulted in a furor
NSF funded NCAR & the program officer who oversaw NSF funding was central to creation of USGCRP

My job was threatened
A huge debate ensued
UCAR leaders pushed back on the pressure
I kept my job
A preview...
I placed blame on failures of Congress to secure a convergence of expectations on what they wanted from the USGCRP

Of course scientists wanted to do science
And agencies wanted funding & programs
Congress wanted the climate problem to go away

Responsibility lay with Congress
Flash forward ~decade
Dan Sarewitz & I wrote for @ISSUESinST asking a provocative question:
"What happens when the scientific community’s responsibility to society conflicts with its professional self interest?"
issues.org/p_pielke/

By this time USGCRP shortfalls were obvious
The motivation for this piece was a proposal by the Bush Administration to double-down on climate research as the main response to climate

We saw this as delay from taking real action

Many scientists also wanted action on climate, but also really liked the idea of more funding
We pulled no punches

Claims that projections of the long-term future were central to effective climate policy just didn't hold up

But long-term projections were central to the climate science community (or more accurately, those with the most power/influence in this community)
In parallel Sarewitz & I (along w/ Rad Byerly RIP) had just completed a major NSF project focused on the use & misuse of predictions/projections

Our bottom line?

Question Predictions

In many settings predict/project was not central to effective action
amazon.com/Prediction-Sci…
In response to our Issues article on scientific responsibility, a group of leading climate scientists freaked

Their letter in response was hyperbolic & misrepresented what we had actually wrote, but it also reinforced our argument . . .

issues.org/forum-spring-2…
The most telling part of their letter
"It is preposterous, however, to suggest that climate science is primarily policy driven"

This is wrong
Congress support for climate research wasn't due to their curiosity (ha) but bc they wanted "usable information for policy" via USGCRP
We presented these ideas before the Board on Atmospheric Sciences and Climate of the NAS

We did, stating that climate policy needed much more than just climate modeling

The chair exploded at us, saying, "tell me then, how are we going to justify funding for climate modeling?"
It was at exactly this time the RCP scenarios were first being developed with a focus on creating scenarios to meet the needs of climate modeling not policy making

The community was continuing its pattern of needs of science first, needs of society second
doi.org/10.1016/j.erss…
So yes

Our view that predictive/projective science of climate modeling has played a dominant & often unhelpful role in climate policy surely pissed off a lot of climate scientists

At some point many forgot or never knew why they hated me & it just became part of the culture
Our recent work on scenarios raises many issues of scientific integrity & social responsibility

Consider:
No one evaluates climate scenarios that drive climate models for their plausibility
That's irresponsible
How can they be fit for policy analysis?

issues.org/climate-change…
After living these debates for a few decades, my view is that the most vocal climate scientists who criticize me have chosen to make this personal - about me not the research - because they can't/won't take on the substance

That's fine
Says a lot

All for now, let me know any Qs
PS
Another detail

For ~25 yrs I sat as a social scientist in the citadels of climate modeling NCAR & CIRES

So I was expected to be "on the team"

Critical social science was thus even more of a shock, viewed even as a betrayal

NCAR & CIRES purged both groups I was part of!

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More from @RogerPielkeJr

24 Oct
Another systemic misuse of the RCP scenarios involves using RCP8.5 as a reference scenario and the others as mitigation scenarios in impacts, economic or policy studies

RCP creators warned against doing this when RCPs were created

But it is found everywhere, including IPCC
Scenario experts foresaw that this type of misuse was getting baked into the RCP methodology, drawing 4 scenarios from different models and renaming them as if they were comparable (when they weren’t)
The desire for RCP pathways of radiative forcing overrode considerations of the proper use of scenarios for impacts, economics, policy research

The perceived needs of climate modeling were explicitly expressed as the priority

As documented here:
sciencedirect.com/science/articl…
Read 7 tweets
22 Oct
Scenario misuse in climate science is far deeper and nuanced than semantics of reference scenarios (as some would have us believe)

They are also very pedestrian mistakes, common to efforts to use scenario methods in research

Not surprising or unique to climate, but significant
The petulance, name-calling and invented quotes we saw earlier today suggests that our first recommendation won't be easily taken😉

Easier to attack messengers than hear their messages

We all all suffer the consequences when science gets off track and some try to keep it there
The responses I've had today the this discussion have me optimistic that the powerful few gatekeepers in the climate space of 2009 are not so powerful in 2021

The teeth gnashing & name calling remains the same, but most now see it for what it is, and that's good news
Read 5 tweets
22 Oct
For anyone thinking the RCP8.5 debate is over, think again - climate community standing behind it

Chief US gov't climate scientist NASA's Gavin Schimdt calls our critique of RCP8.5 "absurd"

And president of the National Academy of Sciences calls RCP8.5 as BAU "100% accurate"
I respond to their defense of RCP8.5 in this thread:

Schmidt's refusal to acknowledge the incredible work @jritch and focus on me suggests that this is once again more of a personal issue he has with me than anything else

That would explain why his letter pretty much agrees with & acknowledges our claims while posturing otherwise
Read 4 tweets
22 Oct
🧵
@ISSUESinST several climate scientists & Marcia McNutt (@theNASEM pres) respond to @jritch & my recent article on misuse of climate scenarios, offering a unified defense of RCP8.5

I encourage you to read their responses in full:
issues.org/climate-scenar…

My comments follow...
Chris Field & Marcia McNutt offer three points

First they defend RCP8.5 as "business as usual" stating that characterization "remains 100% accurate"

What to say? That's just wrong.
RCP8.5 depends on the building of >33,000 new coal plants by 2100, on top of current ~6,000
🤷‍♂️
Second, they appear to contradict themselves by stating that RCP8.5 was in fact "until recently" properly viewed as a plausible or even likely future

Again, this is objectively false

The world has never been on track for ~40,000 coal plants by 2100
Read 12 tweets
20 Oct
With the IEA now projecting a near-term emissions trajectory <RCP4.5 I've been taking a peek at the gatekeeping on RCP8.5 debates over recent years

A rich vein to explore
Really remarkable public evidence of how scientific progress gets stunted by a few powerful people

Examples ImageImageImageImage
Despite @bradplumer recognizing implausibility of RCP8.5 in 2017 (props!) the NYT has apparently never written anything critical about the misuse of the scenario (my NYT search finds only 6 articles that explicitly mention RCP8.5 or "RCP 8.5")
With powerful figures Mann & Hayhoe (they weren't alone) warning critique of RCP8.5 is "denial," no wonder it has taken so long for researchers and journalists to deem its discussion to be legitimate

But now there can be no excuse

Amazing dynamics at play

A good paper here
Read 4 tweets
19 Oct
In my email today
Climate industrial complex

RCP8.5➡️peer reviewed research➡️aggressive media campaign➡️apocalypse coverage➡️fundraising

Non-profit Climate Central CEO made ~$325,000 in 2019 & 7 other employees bt $170k-$270k (IRS 990)

8 people's salaries are >30% of spending
How much should a non-profit CEO be paid?
For a non-profit of CC size (~$5m in expenses in 2019) $131k-178k

Source: analytics.excellenceingiving.com/2020-2021-nonp…

What's the difference between a for-profit climate analytics firm & a non-profit one, both living off of RCP8.5? 🤷‍♂️
I'm all for people making good money
Especially when they have paying clients for their services
But non-profit expectations are (and should be) different

Don't even get me started on sports organizations!
Read 5 tweets

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