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Ben See Profile picture
@ClimateBen
Jun 8, 2020 • 5 tweets • 2 min read • Read on X
#WorldOceanDay🐠

1. 80% of the oxygen humans breathe comes from the Ocean

2. global warming will kill corals within decades causing rippling ecosystem collapse with devastating effects on the planet

3. ocean acidification & deoxygenation cause extinction both are happening now
“You like to breathe?” Crosby asked. “Estimates are that up to 80% of the oxygen you are breathing in right now comes from the ocean. businessinsider.fr/us/coral-reefs…
90% of corals dead by 2040s.

(99-100% dead soon after we hit 2°C of global warming by 2035 - 2050)
independent.co.uk/environment/en…
Severe ocean acidification:

'Breaching a “carbon threshold” could lead to mass extinction

Carbon dioxide emissions may trigger a reflex in the carbon cycle, with devastating consequences.'

news.mit.edu/2019/carbon-th…
"observations of the modern ocean suggest there is significant widespread deoxygenation which may cause greater stresses on organisms that require oxygen, and may be the initial steps towards another marine mass extinction."

phys.org/news/2019-08-o…

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More from @ClimateBen

Ben See Profile picture
Mar 30
DOOM: For 250 years between 1720 and 1969, the US, UK, & Europe were the main CO2 emitters and the key wreckers of biodiversity. These criminal countries subsequently blocked any attempts to change the deeply entrenched economic system away from deadly capitalism and growth. Share of global CO2 emissions- Our World in Data
1. The US knew by the 1950s/60s that systems change was required to avoid global catastrophe. Scientists informed the President. However, the priorities remained power and wealth.

2.
Read 6 tweets
Ben See Profile picture
Mar 24
Earth's species will suffer global warming of 2, 2.5, or 3°C in 12 to 14 years. (No scientist really thinks we won't hit at least 1.96°C for the first time by 2038 after hitting 1.68°C in 2024.) Primates like humans are unlikely to survive for very much longer. Time to rethink.🧵 Headline excerpt : the world will see 3°C much faster than expected
1. "a rise in global temperatures of 3.1C is not compatible with human survival." @jeremycorbyn
Organise for political and economic system change action while it's still too late to protect species and everyone.
dumptheguardian.com/commentisfree/…
3°C trend from 2045.
iopscience.iop.org/article/10.108…
@jeremycorbyn 2.
Read 9 tweets
Ben See Profile picture
Mar 4
New research shows we're heading for rapid mass extinction at 3-5°C of global warming even if we avoid the so-called worst-case scenarios. 🧵 SSP scenarios will result in far more warming than thought
3 to 4 or even 5°C with the 'moderate' SSP2-4.5 emissions scenario.
SSP3-7.0 looks closer to reality to me, so 4-5°C.

agupubs.onlinelibrary.wiley.com/doi/full/10.10…
We should in fact anticipate 3.5-5°C by 2075-2125.

See new research from December 2024:
agupubs.onlinelibrary.wiley.com/doi/full/10.10…

x.com/Peters_Glen/st…
Read 5 tweets
Ben See Profile picture
Mar 2
COLLAPSING:  scientists indicate civilisation-wrecking conditions are already developing as rapid mass extinction accelerates with billions set to be killed from 2029- 2048🧵
Current generic extinction rates likely to greatly accelerate in coming decades due to economic growth & overconsumption by the rich.
Economic activities during capitalism are destroying the conditions that make human life possible.
pnas.org/doi/10.1073/pn…
salon.com/2023/09/19/exp…
Plastic contamination will soon be "catastrophic" for human health and is slowly "killing the human race"

more cancer, more allergic diseases, more infertility

microplastics are everywhere

google.com/amp/s/news.sky…
Read 7 tweets
Ben See Profile picture
Feb 22
DOOM:  majority of scientists think difficult-or-impossible-to-survive warming of 1.9-2.1°C and rising is now unavoidable and set to begin wiping out species within years 🧵
1. 'New assessment warns area the size of the USA will become too hot during extreme heat events for even healthy young humans to maintain a safe body temperature if we hit 2°C'
kcl.ac.uk/news/half-a-de…

"if we hit 2°C"?

Virtually all scientists expect 2°C.agupubs.onlinelibrary.wiley.com/doi/full/10.10…
2. Even before new research confirming warming is accelerating, the overwhelming majority of climate scientists fully expected ~2°C (in most cases much more).

'perhaps half of all species will be vulnerable to thermal infertility'
phys.org/news/2021-05-i…
x.com/ClimateBen/sta…
Read 5 tweets
Ben See Profile picture
Feb 19
COLLAPSE: scientists indicate all aspects of human societies will be wrecked by 2029-2092 as habitat destruction and pollution intensify with unsurvivable accelerating warming of 1.95-2.15°C and rising now unavoidable even with capitalism's best-case emissions reductions 🧵
1. 'Most scientists concur..2°C of warming above the temperature during preindustrial time would harm all sectors of civilization - food, water, health, land, national security, energy & economic prosperity
scientificamerican.com/article/earth-…
Best-case: 1.96°C, 2.18°C
agupubs.onlinelibrary.wiley.com/doi/full/10.10…
2. Economic growth means habitat annihilation..

"The 2C target is dead, because the global energy use is rising, and it will continue to rise”.. global heating is likely to reach 2C by 2045
dumptheguardian.com/environment/20…

2°C by 2030-2082
esd.copernicus.org/articles/12/25…
news.stanford.edu/stories/2023/0…
Read 4 tweets

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