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Remember:

1. Arctic sea ice
2. Greenland ice sheet
3. Taiga (boreal forests)
4. Permafrost
5. Atlantic Ocean currents (AMOC)
6. Amazon rainforest
7. Warm-water corals
8. West Antarctic Ice Sheet
9. Parts of East Antarctica

These climate chaos tipping points have been activated.
"No amount of economic cost-benefit analysis is going to help us. We need to change our approach to the climate problem."

Professor Lenton added: "We might already have crossed the threshold for a cascade of inter-related tipping points..."

phys.org/news/2019-11-c…
Threads on the 9 tipping elements:

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More from @ClimateBen see all

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Ben See
@ClimateBen
'The Arctic is heading toward irreversible melting and ecosystem destruction, according to the National Oceanic and Atmospheric Administration.'

🔺the Arctic has lost nearly 95% of its oldest ice
grist.org/article/4-ways…
The Arctic has entered an unprecedented state that 'threatens global climate stability':

commondreams.org/news/2019/04/0…
"There is no evidence of any recovery of the sea ice,' said Mark Serreze, director of the U.S. National Snow and Ice Data Center. "We are heading toward a seasonally ice-free Arctic ocean."

23rd Sept 2019

abcnews.go.com/Technology/wir…
Read 5 tweets
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Ben See
@ClimateBen
Global crop failure from the 2020s onwards:

1.
'Yield responses to biophysical stresses are highly non-linear – once critical thresholds for temperature or water are breached, plants suffer severe damage and yields can fall precipitously.'

reports.weforum.org/global-risks-2…
2.
'If climate change is allowed to reach a point where these biophysical thresholds are exceeded routinely, crop failure will become the norm'

3.
The answer: dismantle industrial agriculture and transform this WEF extinction economy into something fair & safe. #agroecology
4.
1.5°C by 2030 means long-term food security can no longer be guaranteed:

'Without ambitious, determined action to reduce emissions and contain climate change at manageable levels, long-term food security cannot be guaranteed'

We've seen zero action since this 2016 report.⚠️
Read 3 tweets
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Ben See
@ClimateBen
The planet we think we're living on no longer exists:

🔺Earth will warm 2°C to 6°C within decades

🔺It took 5,000 years to warm 5°C when global warming happened at various times in the past 2 million years

🔺predicted warming rate: 20 times faster.earthobservatory.nasa.gov/features/Globa…
Welcome to Earth. 🔥

"It's very possible that both ecological systems and human systems may fail to adapt rapidly enough, with devastating consequences"

"this is a problem for now...in the next decade or two, we may see climates like that of the Pliocene"edition.cnn.com/2018/12/10/wor…
How many species will survive as we rocket towards 3°C - 4°C?

'Between 1°C and 2°C...most species, ecosystems and landscapes will be impacted and adaptive capacity will become limited.'

The decline in biodiversity will accelerate.

sciencedirect.com/science/articl…
Read 3 tweets

Related threads

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Filomena Rocha
@Filomen03258997
The Amazon the largest lung in our world is on fire😭.
It's time for humanity to stop & think seriously about what it is doing🤨.
Is this our legacy for future generations😠?
Is money more important than conserving nature😡?
🗣️We need the forests to survive.
🗣️Protect nature!
"The fires burning in the #Amazon rain forest are so large and widespread that smoke has wafted thousands of miles away to the Atlantic coast, according to the World Meteorological Organization"
nyti.ms/31VHDRb
Via @Miami_Rebelde
There is no "ngo" burning the #AmazonRainforest these are Cattle Ranchers, most of whom voted for #Bolsonaro. They're destroying the #Enviroment to steal #Indigenous land for themselves #NativeTwitter!#IndigenousRights #NativeLivesMatter
Read 97 tweets
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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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Stefan Rahmstorf
@rahmstorf
1/n Thread: Science Mag has a new study reporting measurements of the Atlantic overturning circulation #AMOC from the #OSNAP project. They find that this circulation happens mostly towards waters east of Greenland rather than the Labrador Sea in the west. washingtonpost.com/climate-enviro…
2/n I do not find that surprising. At least since the early 1990s the Greenland-Norwegian Seas were considered the most important site for Atlantic deep-water formation. Water there reaches the highest density, and flows over the sills near Iceland. (Graph Rahmstorf Nature 99)
3/n This “overflow” was measured by Bogi Hansen and others and amounted to about 6 Sv, and was also captured well in models (e.g. nature.com/articles/natur…)
Read 11 tweets

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