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Mar 16 • 4 tweets • 2 min read
worth knowing:

1. the destruction of primary tropical forests would lead to the extinction of 75% of species by 2200 even if dangerous climate change didn't exist

2. scientists say all deforestation of the Amazon must end by 2025 for a chance of avoiding catastrophic collapse
1. Economic growth = extinction:

'tropical forest loss/degradation alone, even without considering other human stressors such as climate change & habitat loss in other ecosystems, will precipitate a mass extinction event over the next couple of centuries'.pnas.org/doi/10.1073/pn…
2. It's possible the severe tropical forest fragmentation that has already occured means collapse is no longer avoidable given the severity of global warming yet to come. We're in tipping point territory and only economic system change will do.

Thread:
3. Study from 2017:

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More from @ClimateBen

Ben See Profile picture
Mar 17
BREAKING: abrupt climate change is rapidly warping Earth's fresh water cycle relied on by human societies for tap water with scientists warning of potentially disastrous changes faster than previously thought 🧵
1/Fresh water will always come from the tap. Won’t it?

Unfortunately, that’s not guaranteed. Climate change is shifting where the water cycle deposits water..

If this sounds serious, it is. Our ability to harness fresh water makes possible modern society'theconversation.com/climate-change…
2/State-corporate media journalists are very quiet on the extraordinary threats now facing hundreds of millions of people around the world, and on those rapidly approaching.

We face 1.6°C-2°C hell by the 2030s without a shift away from economic growth.
Read 8 tweets
Ben See Profile picture
Mar 15
Anyone else troubled by the total state-corporate media silence on profoundly catastrophic biodiversity destruction and abrupt ecosystem change at horrific 1.6°C-2°C of global warming by 2032 assuming no economic system change?
1. We can protect people and animals, species and ecosystems if we change the economic system, otherwise we're heading for 1.8°C-3°C by 2048-52. Climate justice activists have been making this clear for years, decades..

Here's a thread I prepared earlier:
2. The idea economic growth could limit warming to 1.6-1.7C by 2050 is utterly implausible in my opinion (the IPCC's best case scenarios). Besides, this short term profit maximization system won't look after people or any other living beings.

What to do:
Read 6 tweets
Ben See Profile picture
Mar 11
We must avoid 1.5°C-1.7°C of global warming hell.

Climate models show 1.5°C-1.7°C will hit by 2029 without immediate economic system change.

System change may delay 1.5°C-1.7°C even if it can't prevent it.

And anyway, it's crucial: this system won't protect us at 1.5°C-1.7°C.
1. We can protect people and animals, species and ecosystems if we change the economic system, otherwise we're heading for 3°C-4°C by 2065-2100. Climate justice activists have been making this clear for years, decades..

Here's a thread to explore:
2. Biodiversity destruction and tree mortality are horrific at 1.5°C-1.7°C.

If we manage to reduce emissions to zero in the coming years, we must also deal with aerosols which threaten to unmask even more warming.

We can still act to protect species.

Read 5 tweets
Ben See Profile picture
Mar 10
The best we can realistically hope for with this economy is unimaginable destruction of Earth's biodiversity plus unmanageable damage to human agriculture due to very high global warming impacts, habitat destruction & pollution, all by 2045. Where are the system change headlines?
1. 'Globally, the percentage of species at high risk of extinction will be 9%-14% at 1.5C, 10%-18% at 2C'.

1.75-2.5°C by 2045.

'Among groups containing the greatest numbers of species at high risk of extinction are invertebrates (especially pollinators)'.carbonbrief.org/scientists-rea…
2.

See thread:
Read 4 tweets
Ben See Profile picture
Mar 8
The IPCC's methods are failing to capture a shocking trend: carbon emissions from tropical deforestation this century are far higher than previously thought, doubling in just two decades and continuing to accelerate. 🧵
'Deforestation and forest carbon loss are accelerating.

The standard methods used by the IPCC are not spotting some of the things we’ve seen in this paper..They aren’t really capturing the trend that we’ve seen in the last two decades'.

nationalobserver.com/2022/03/04/new…
The latest IPCC reports are grim, just terrifying.

I have two questions.

Could things be even worse than the IPCC reports suggest further strengthening the already pretty watertight case for system change action?

Where are the system change headlines?

Read 6 tweets
Ben See Profile picture
Mar 7
The Headlines

ABRUPT CLIMATE CHANGE IS HERE

"The current global growth Economy will definitely take us to unthinkable suffering, death and extinctions at 1.8°C or more of global warming by between 2030 and 2090 unless we achieve profound political and economic system change."🧵
1. 'If temperatures rise to between 1.7 and 1.8C above the 1850s level, then the report states that half the human population could be exposed to periods of life-threatening climatic conditions arising from heat and humidity.'

Corals destroyed at 1.4-1.6C.bbc.com/news/science-e…
2. If we get on to a lower emissions pathway in the coming years (emissions are rising towards record levels by 2025) we risk horrific 1.8°C as early as 2030.

Even the best case scenario which few scientists consider plausible may mean 1.8°C by the 2080s.yaleclimateconnections.org/2021/08/key-ta…
Read 8 tweets

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