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Chris Mooney
Very high carbon dioxide could suppress cooling clouds, climate change model warns
Vanishing stratocumulus clouds would have dire effects on global temperatures.
The Washington Post The Washington Post @washingtonpost
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Chris Mooney Feb 25
Replying to @JoelAchenbach
2. This new study, covered by my colleague , has a pretty stunning result -- at very high co2 levels there could be a feedback that kicks in adding another 8 degrees C (14.4 F). The feedback involves clouds, which have long been a question mark in climate studies.
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Chris Mooney Feb 25
Replying to @chriscmooney
3. The study is here.
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Chris Mooney Feb 25
Replying to @chriscmooney
4. Let me add a few thoughts. This effect occurs at over 1,000 parts per million of CO2 in the atmosphere, an enormous amount (we are currently just over 400). We'd have to burn massively more fossil fuels than we have already.
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Chris Mooney Feb 25
Replying to @chriscmooney
5. In other words, the climate policy regime of the Paris Climate Agreement/U.N. Framework Convention on Climate change would have to totally fail.
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I Got The Horses in the 🅱️ap Feb 25
Replying to @chriscmooney
Okay, so that’s a given
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Chris Mooney Feb 25
Replying to @chriscmooney
6. And on top of that, the world would have to decide to double down on fossil fuels rather than embracing the shift to renewables currently underway. So markets would have to fail, too.
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Chris Mooney Feb 25
Replying to @chriscmooney
7. Or at least, that's my reading of this research.....
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Chris Mooney Feb 25
Replying to @chriscmooney
8. So the point is not that this scary scenario is going to happen. Given the current trajectory of climate policy and renewables, it seems unlikely.
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Chris Mooney Feb 25
Replying to @chriscmooney
9. Rather, the key point -- and it's a big deal -- is that there are many things we don't understand about the climate system and there could be key triggers out there, which set off processes that you can't easily stop.
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Chris Mooney Feb 25
Replying to @chriscmooney
10. Clouds are just one area where this might be the case. There are a lot of others. Permafrost, ice sheets, ocean currents, and so on.
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Jim DuBois Feb 25
We are cooked, just don't admit it yet.
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Chris Mooney Feb 25
Replying to @chriscmooney
11. So don't read the current study as predicting that a disaster is going to happen. Rather, read it as further underscoring that we are basically driving the planet at high speed without knowing where we're going, almost with a partial blindfold on.
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Chris Mooney Feb 25
Replying to @chriscmooney
12. If you think this is all going to go as planned -- if you think this actually can be fully planned -- let this new study be your wake up call. /end
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BC Feb 25
Replying to @chriscmooney
Trump & Bill Happer are ON IT.
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Devin Nunes' GRU Handler NCSteve Feb 25
Replying to @chriscmooney
How much will melting of the permafrost unleash, though?
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Catherine 🍀 Redhead Extraordinaire Feb 25
Replying to @chriscmooney
Sometimes out of curiosity I open my son’s college textbooks & read a chapter. 1 book explained it as an overloaded commute bus—the type w/people & belongings sitting on top—everything is fine until one day it takes on 1 too many, turns a corner too fast, hits a bump & crashes.
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El Grande Chupacabra Feb 25
Replying to @chriscmooney
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Bill Show Feb 25
Plant a tree fools! Why not occupy that climate modeling software with all the data from the last 150yrs and see if they can come up with today? Oh... they havent been too successful with that have they? Human extrapolations are flawed, not the science. The science shows it.
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kenney kost Feb 25
Replying to @chriscmooney
Well you arent accounting for the CO2 that us currently trapped in permafrost. As more of this melts massive quantities of CO2 will be released in addition to what is already being released.
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