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, 5 tweets, 2 min read
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Remember:

1. Melting of Arctic Sea Ice
2. Loss of Greenland Ice Sheet
3. Collapse of W. Antarctic Ice Sheet
4. Partial Collapse in E. Antarctica
5. Melting of Yedoma Permafrost
6. E. Siberian Arctic Shelf Methane

Feedback loops are never front page news.
Ice Masses.☝️

Atmospheric and ocean circulation systems:👇
Ecosystems:👇
Tipping Elements of the Earth System.

'components of the Earth system of supra-regional scale which - in terms of background climate - are characterized by a threshold behavior. Once operating near a threshold, these components can be tipped...'

👉pik-potsdam.de/services/infod…👈
Threads on the 9 tipping elements:

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More from @ClimateBen see all

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Ben See
@ClimateBen
#COP justice veterans: we've never seen such failure before. 🚨⚰️💔

@BBCNews: agreement through compromise wins the day. 🎉👍😎

bbc.com/news/science-e…
"Black people from the global South heartbroken that rich countries are literally signing their death warrants by the lack of action at the...talks. This bloody white supremacy, colonialism & imperialism is the toxic poison that says our lives don’t matter"
"Even according to its own very weak agenda, #COP25 has failed

Failed to reflect far greater ambition, failed to formalise and increase loss and damage funding..."
Read 4 tweets
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Ben See
@ClimateBen
Did you know?

1. Global crop failures hit at 1.5- 2°C.
2. Billions die at 3°C.
3. Most humans dead at 4°C.
4. Earth uninhabitable at 6°C.
5. We're heading for 1.5°C by 2025.
6. We're heading for 2°C by 2035.
7. We're heading for 4- 6°C by 2075.

Why isn't this front page news?
People in the Global South are dying now.

We need a new economy for climate justice & survival.

2°C by 2035 (with a dire global food & water crisis) looks likely.

Feedbacks (Arctic sea ice etc) have begun.

Can we avoid 3.5°C?

See thread for details:👇
Could we prevent the deaths of billions if we manage to slow warming by slashing emissions to zero within a decade (plus other action)? Yes, perhaps.

3°C looks inevitable, but if we can push it away until the 22nd century countless lives would be saved.
Read 11 tweets
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Ben See
@ClimateBen
A global crop failure catastrophe before 2029 looks extremely likely.

'heat waves and their associated droughts are virtually certain to grow more intense in a warming climate. This behavior *will* bring a significant threat to global food security..'blogs.scientificamerican.com/eye-of-the-sto…
Severe droughts in large parts of Asia are set to impact regional and/or global food security by between 2022 - 2027, and continuously from then on.

"Our work surprised us when we saw that the threat to food security was so imminent"

Report from 2012:

phys.org/news/2012-09-f…
Global food system alert: major risk of simultaneous breadbasket failures due to climatic extremes from now on.

'there has been a significant increase in the probability of multiple global breadbasket failures for particularly wheat, maize, and soybeans'phys.org/news/2019-12-c…
Read 10 tweets

Related threads

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Sarah
@sarah_in_ny
Please indulge me while tell you all the true significance of Trump's interest in #Greenland and it's tangled web to #Russia #Oil #Climatechange and naturally #Putin
May 2013 Companies recognize the melting arctic can allow for increase in oil drilling and re-align accordingly
theverge.com/2013/5/17/4340…
September 2014 l #Roseneft premier Russian oil/energy company of which the Russian government owns 50% by the opens new fields in the arctic to take advantage of the melt
rferl.org/a/russia-rosne…
Read 30 tweets
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National Snow and Ice Data Center
@NSIDC
Today, NSIDC's @MarkSerreze participated in @NOAA_ESRL's seminar series here in Boulder. He presented on "Monthly Variability in Bering Strait Oceanic Volume and Heat Transports and Links to Atmospheric Circulation, Ocean Temperature and Sea Ice Conditions." @CIRESnews #CUBoulder
Some takeaways: "As we lose the #Arctic sea ice cover, Arctic riches become more exposed and easier to get at."
"Bering Strait heat flow is key to predicting the timing of seasonal sea ice retreat."
Read 4 tweets
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Andreas Krüger
@drandreaskruger
#Arctic #SeaIce #ArcticSeaIce

#Arctic lowest #SeaIce cover record months:
#arctic death spiral
Read 7 tweets
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Armond Ray Erickson
@ArmonRaE
@DrDenaGrayson @VP @jaketapper In the U.S. at least, air pollution is down since 1992 for every single pollutant the EPA measures. And our CO2 emissions are down since the mid-1990s, yet #ClimateCatastrophists claim NONE of that improvement has slowed global, or U.S. #ClimateChange.
epa.gov/clean-air-act-…
@DrDenaGrayson @VP @jaketapper For more than forty-five years the Clean Air Act has cut pollution as the U.S. economy has grown.
Carbon dioxide is not pollution. It’s colorless, odorless, and tasteless.
epa.gov/clean-air-act-… #ClimateAlarmism #ClimateChange
@DrDenaGrayson @VP @jaketapper Watch the animated version & see how average global temperatures continually vary and move around erratically with no relationship or response to any nation’s #GlobalWarming prevention policies or actions.
#GlobalWarmingism #ClimateAlarmism #AlGore
Read 63 tweets
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Anthony J. Martin
@Ichnologist
Y'all, I just need to brag about the students in my Barrier Islands class. While studying for their exam (which they're taking right now), they created a bunch of barrier-island-themed memes that combine #geology concepts, #coastal issues, & #humor. 1/
Almost all semester I've explained how most barrier islands worldwide are geologically "new," having only been made <10,000 years ago, but that the Georgia barrier islands are composite, made by two different shorelines during the Pleistocene & Holocene. #geology 2/
We also recently learned about how humans have interacted with barrier islands during those past <10,000 years, and how it changed from seasonal use to unsustainable over-development. #geology #coastal 3/
Read 17 tweets
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InsideClimate News
@insideclimate
1/ Nuiqsut is the only town in Alaska's prolific North Slope oil region, which is poised for another drilling boom.

The community has long been concerned about industry air pollution. There is reason to be anxious.

@shankman reports from the #Arctic: insideclimatenews.org/news/01082018/…
2/ "I was really stunned when I was up there in July [2017] to hear the fears that are so pervasive in the community that it even impacts the teenagers," said Barbara Trost of @alaskaDEC.
3/ More than three-quarters of Nuiqsut residents still live a traditional subsistence life, off the fish they catch, the whales they harvest and the caribou they hunt.

And they've found themselves on the frontlines of a modern crisis.
Read 17 tweets

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