Ben See Profile picture
Mar 28 5 tweets 2 min read
Economic growth will take us to unthinkable suffering, mass death and extinction of species at 2°C of global warming in the 2040s (give or take a decade) if we don't achieve system change now to stop emissions & deforestation whilst dealing with the weird nightmare of aerosols.🧵
1. The IPCC is finally looking at degrowth in it's latest climate report.

You need extraordinary assumptions to imagine economic growth won't take us to 2°C by the 2030s, 2040s, or 2050s.

The plan? Exceed 1.5C-2C then come back down again. Folly.

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2. Economic growth won't protect species and everyone or limit the damage.

We have to try for a postgrowth world immediately.

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More from @ClimateBen

Mar 28
BREAKING: Biden reveals $800 billion plan for climate change

THREAD.. 🧵
1. The US plan is still to wreck our stable climate by giving $800 billion to the military every year to maintain the fossil fuel economy and intensify global warming.

We have 8 years left to slash emissions.

We need political and economic system change.
finance.yahoo.com/news/biden-202…
2. Economic growth will take us to horrific 1.8- 2.4°C of average global temperature rise by 2050 (or 2090 if we're 'lucky').

The IPCC is now talking about degrowth - which would improve most people's lives - as one of our only remaining options.

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Read 5 tweets
Mar 27
1. Communicate the reality of the threat of economic growth; rethink energy use, consumption, and everything; and organise for political system change to protect species and everyone.

See thread:

2. The IPCC is beginning to talk about degrowth. Ecomodernism cannot keep us below 1.8C this century or stop habitat destruction - a postgrowth world is the only way forward to limit the damage and slow down mass extinction.

3. Economic growth is already leading to the collapse of Earth's major ecosystems due to rapid land-clearing, logging, deforestation, pollution, etc, etc.

The recent IPCC reports tell us economic growth will likely lead to 2.1C-4C hell by 2070.

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Read 4 tweets
Mar 26
Climate scientists expect environmental ruin at 2°C by between 2037 and 2046 or soon after assuming economic growth continues, and have begun to consider degrowth action in the latest IPCC report. 🧵
1. 'This is historical. For the first time since its original report in 1990, the Intergovernmental Panel on Climate Change (IPCC) has talked about degrowth.' ~ @timparrique
timotheeparrique.com/degrowth-in-th…
2. 'After a brief discussion on what transformation means, the section presents “two contrasting schools of thought, called ecomodernism and degrowth[i].” Ecomodernism, it is written, “aims to decouple greenhouse gas emissions and other environmental pressures from GDP '..
Read 9 tweets
Mar 26
Last year I was surprised the IPCC decided climate sensitivity of 4.1-4.5°C is no longer considered likely. The likely range is now 2.5-4°C. I'd understood key recent papers showed this range was likely, not to mention Dr James Hansen's scepticism of models & suggestion of 6°C.🧵
1. A key IPCC paper:

If CO₂ hits 560 ppm & stays there 'there is up to an 18% chance that temperatures will rise to 4.5°C above pre-industrial levels'.

'this “likely range” has narrowed to, at most, 2.3°C to 4.5°C – or possibly an even narrower range*.'theconversation.com/just-how-sensi…
2. Sherwood et al. (2020): 'used multiple lines of evidence' to argue that ECS above 4.5C is unlikely.
frontiersin.org/articles/10.33…

A climate scientist did offer me an explanation of the narrowed 2.5-4C range but I rather struggled with the rationale.
Read 14 tweets
Mar 25
Children born today will struggle on a ruined 2°C Earth by the time they're teenagers if the high emissions spurred by our current economic growth system continue much longer. 🧵
1. We can expect 1.91- 2.1°C as a trend by 2035-2041 (or a one off with trend soon after) with economic growth.

A billion children are already suffering poverty/abrupt climate change.

2°C may hit by 2030-2034 when children born today will be 7- 12 years old.

System change now.
2. '1 billion children – nearly half the world's 2.2 billion children – live in one of the 33 countries classified as “extremely high-risk”... figures likely to get worse as the impacts of climate change accelerate'

Where are the system change headlines?unicef.org/press-releases…
Read 8 tweets
Mar 23
Did you know 10,000s of scientists agree we must rethink economic growth now or face vast human misery as we exceed 417 ppm of atmospheric CO2 for the first time in 20 million years?

Climate justice action could protect people & species, but journalists remain shamefully silent.
1. Economic growth will mean climate-extinction calamity at 1.7°C-2.5°C by 2045.

An implausible-looking lower emissions scenario that assumes economic growth means 1.7°C or much, much more by the 2040s even if achieved.

Support independent media.

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2. Economic growth is taking us to 1.5°C horrors or worse by around 2027-2029.

1.7°C-2°C possible by 2030-2032.

But it's not just abrupt climate change.

Deforestation, logging, mining, plastic & chemical pollution, insecticides, road-building, etc, etc.
Read 5 tweets

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