Ben See Profile picture
Aug 27, 2019 9 tweets 4 min read Read on X
Scientists:

1. The natural world is collapsing
2. Earth's climate soon won't suit us
3. A 6th mass extinction has begun
4. Free market capitalism must end
5. Economic growth is destructive
6. Government intervention is vital
7. Energy distribution must be fair

Front page news?
BIOLOGICAL ANNIHILATION EMERGENCY:

There is 'a common misimpression that Earth’s biota is not immediately threatened, just slowly entering an episode of major biodiversity loss.'

In reality 'the window for effective action is very short'.

Hard to digest.pnas.org/content/114/30…
CLIMATE DEATH SPIRAL EMERGENCY:

It's far from certain humans will survive decently as the climate spirals away from once comfortable conditions.

The new climate & rate of change may be beyond "species' adaptive capacity". ⚠️

Humans will struggle to live.
EXTINCTION EMERGENCY:

The corporate capitalism of Forbes is destroying global biodiversity.

It's happening 'at an incredibly fast and accelerating rate.'

To see ecocide as an inevitable result of human nature is to ignore our complex, essential decency.
forbes.com/sites/linhanhc…
FREE MARKET CAPITALISM EMERGENCY:

🔺"societies have to go through a very dramatic shift"

🔺"we are past this discussion of should we have capitalism or should we have something else"

This is from a UN-commissioned report by scientists.

Time to change.

m.huffpost.com/us/entry/us_5b…
ECONOMIC GROWTH EMERGENCY:

⚠️ We cannot keep the current growth economy if we want to survive according to the recent IPBES report and the 23,000 scientists who put their names to the ideas in this paper (academic.oup.com/bioscience/art…) amongst many others...

RIGHT-WING POLITICAL ECONOMY EMERGENCY

'If the U.S. and the world are to succeed in limiting disruptive climate change, the U.S. will have to give up the idea that free markets alone can adequately address climate change markets need help from governments'scientificamerican.com/article/withou…
INEQUALITY EMERGENCY:

"A key constituent of sustainable pathways is steering away from the current limited paradigm of economic growth..That implies incorporating the reduction of inequalities into development pathways, reducing overconsumption and waste"
The only decent, workable response 'is energy as a public good, a global decentralised RE energy system, with a massive reduction in energy use together w/ total break up of agribusiness model with food as a right & agro-ecology as model.'

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More from @ClimateBen

Oct 5
Conservative analysis reveals utterly horrific global warming of 1.75-2°C is likely set to hit within 4 to 12 years with truly catastrophic consequences for food systems.
Estimate of 1.44°C (20-year average) warming for 2015-34:

metoffice.gov.uk/about-us/news-…
Read 5 tweets
Sep 18
12-40% of species extinct is considered catastrophic. So many amphibian species (~50%), plant & bird species (~40-50%), insect & mammal species (~30-40%), and reptile & fish species (~25%) are currently seen as being at risk. 48% of species are in decline. How will humans cope?
1. under a pessimistic global warming scenario (~4°C increase), climate change alone might only cause the extinction of ~20–30% of extant species in the next ~50–100 years [41,42]. Taken together, these losses would be catastrophic, but very far from 75%.'
sciencedirect.com/science/articl…
2. 'Current projections of future extinction seem more consistent with ~12–40% species loss, which would be catastrophic but far from the 75% criterion used to argue for a 6th mass extinction.'

Some experts fear >50% at 3-4°C even with moderate emissions.
sciencedirect.com/science/articl…
Read 4 tweets
Sep 10
Earth's species will suffer 2-2.6°C and rising even in capitalism's most ambitious decarbonization scenario. Scientists anticipate unsurvivable 3-7°C, with geologic periods like the Miocene climatic optimum (MCO) seen as good analogues for our current 21st century climate hell.🧵 The multimethod, multitaxon pCO2 reconstruction presented here indicates that pCO2 was moderately elevated at ~450–550 ppm during the MCO. These results are somewhat higher than most previously published pCO2 records, which generally report pCO2 < 450 ppm (see Foster et al., 2017), but still considerably lower pCO2 than climate modeling requires to reproduce MCO temperatures (Goldner et al., 2014). This indicates that climate sensitivity must have been elevated during the MCO, leading to highly elevated temperatures at moderately elevated pCO2. With 415 ppm measured for the first time in sp...
1/The race is now on to improve our knowledge of the Earth system in order to understand whether.. moderate levels of pCO2 may.. cause a devastating..increase of up to 7°C in the (near?) future, and if so, take action to prevent it. agupubs.onlinelibrary.wiley.com/doi/10.1029/20… x.com/ClimateBen/sta…
2. The temperature regime reconstructed for most of the Miocene, ∼5°C–8°C above modern, is equivalent to projected future warming in about a century under unmitigated carbon emissions scenarios.. an important warm-climate analog..
agupubs.onlinelibrary.wiley.com/doi/full/10.10…
x.com/ClimateBen/sta…
Read 7 tweets
Aug 27
COLLAPSE/EXTINCTION: scientists fear global warming of 3.5°C, which wipes out 33-70% of species (IPCC AR4 2007, IPCC AR6 2022), will likely hit by the 2060s give or take a decade or two 🧵
1. IPCC scenario SSP3-7.0 shows 3.5°C by 2080 or from 2062 (not the worst-case scenario). Even a moderate emissions scenario can lead to 3.5°C this century (new research shows 2060s-80s possible).


Species extinct IPCC:
3.5C 40-70% 2007
3C 29%, 4C 39% 2022esd.copernicus.org/articles/12/25…
2. A new pre-print from highly respected climate scientists implies 3.5°C by 2065-77 at current rates of warming. The authors warn this rate could increase or decrease perhaps suggesting 3.5°C by around 2055-2087 rather like IPCC high emissions scenarios.
researchsquare.com/article/rs-607…
Read 5 tweets
Aug 25
BREAKING: scientists say Earth's major systems are undergoing abrupt changes — and soon we'll all feel them 🧵
1. 'prepare for a future of abrupt change.. choices made now will determine whether we face a future of worsening impacts and irreversible change or one of managed resilience to the changes already locked in.' phys.org/news/2025-08-s…
2. Society must now brace for catastrophic impacts.

Thread:
Read 7 tweets
Aug 9
Destruction of habitats and wildlife has intensified and accelerated to an almost unimaginable degree during the capitalist era. Scientists say the 40-50% of plant species now facing extinction will be obliterated in a handful of decades. It didn't have to be like this. Rethink. Plants are going extinct up to 350 times faster than the historical norm
1. Capitalism: a 'meteorite'

'previous mass extinctions.. took 10,000s, 100,000s, even millions of years to happen. this is happening so fast, now in just two, three decades..'
google.com/amp/s/www.cbsn…

Recovery: "we most likely won’t be there to see it"..
discovermagazine.com/earth-is-on-th…
2. Current estimates of plant extinctions are, without a doubt, gross underestimates. Extinctions will surpass background rates by 1000s of times over the next 80 years. universityofcalifornia.edu/news/plants-ar…
Read 8 tweets

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