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3 Dec, 4 tweets, 1 min read
'To pave a square meter is a crime against humanity, at this stage of development'

Do schools, universities, state-corporate media ever reflect on slowing down? Do we understand energy? Do we even acknowledge extinction? Are we applying reductionist thinking to living systems?🧵
1. I'm introducing Jeff's thread here, not one of my own, and I'll add a few other comments too below.

How many journalists and teachers examine our predicament in a helpful way? I find it challenging to say the least.

Thread:
2. Food for thought

3. Degrowth in action

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More from @ClimateBen

Ben See Profile picture
30 Nov
BREAKING: catastrophically rapid global warming via an 'aerosol termination shock' in the 2020s and 2030s cannot be ruled out say scientists as they urge immediate media coverage 🧵
1. A recent albedo decrease and increase in planetary heat uptake coincided with a decrease in anthropogenic sulfur emissions.

This trend could accelerate further with more sulfur emission reductions.

Rapid global warming, cannot be excluded.

⬇️

2. James Hansen warns of dire 2°C by 2040 as carefully explained here by @bberwyn.

Where are the other journalists?

insideclimatenews.org/news/15092021/…
Read 6 tweets
Ben See Profile picture
27 Nov
BREAKING: scientists confirm rapidly vanishing sea ice due to abrupt climate change means catastrophic impacts beyond the Arctic itself

1/
 carbonbrief.org/melting-arctic…
Arctic teleconnection: “Diminishing sea ice favours hotter, drier conditions in western states that set the stage for fierce wildfires.."

🔥 the impact of melting sea ice on US wildfires is comparable to that of other, better known drivers

2/
 carbonbrief.org/melting-arctic…
Previously unconvinced scientists acknowledge the new research

"the actual scientific evidence..until fairly recently, has been pretty weak. This new study does add an important empirical data point into the ‘a relationship probably does exist’ column"

3/carbonbrief.org/melting-arctic…
Read 5 tweets
Ben See Profile picture
27 Nov
Did you know?

1. scientists say processes like permafrost thaw can trigger 3°C-5°C of warming to confirm one of Earth's worst ever mass extinctions even if coal use doesn’t rise

2. they urge epic 2020s action on gas & oil warning of impacts by 2037-2051 we just can't adapt to🧵
1. State-corporate media have been sidelining scientists warnings of impacts we can't adapt to at catastrophic 2°C of warming for years, even decades.

'There’s a lot we can’t adapt to even at 2C. At 4C the impacts are very high and we cannot adapt to them'theconversation.com/ipcc-expert-wr…
2a. 'Many scientists argue that even if coal use doesn’t rise in a catastrophic way, 5°C of warming could occur by other means..'

nature.com/articles/d4158…

2b. 5°C at present rates of increase (even without other non-climate factors) means dire extinction.
nature.com/articles/s4146…
Read 5 tweets
Ben See Profile picture
26 Nov
'The last time global surface temperature was sustained at or above 2.5°C was over 3 million years ago' in the Pliocene, with CO2 levels like today.

We could reach 2.5°C by 2100 if emissions 'stay close to today's levels over a few more decades'.

May that even risk 3°C-4°C?

1/
Scientists tell me not to expect 4C by the 2060s (see 2009 article), but they appear to be clear 3.5C-4C by 2081-2100 is entirely plausible.

If emissions don't drop by the 2040s, could we face up to unthinkable 3.5C-4C,not just horrific 2.5C?

2/
theguardian.com/environment/20…
The best estimates (and very likely ranges) for 2081-2100 in the two scenarios that I believe are widely considered to correspond to our current situation are 2.7C (2.1-3.5C) and 3.6C (2.8-4.6C).

Could another 15-25 years of emissions around today's levels mean 3-4C by 2090?

3/
Read 7 tweets
Ben See Profile picture
24 Nov
At 420 ppm of CO2 with emissions rising to extreme record levels and no solid plans to deal with aerosols or destructive industrial agriculture the question now is can the public see through state-corporate media distortions to force fair emergency action which limits the doom?🧵
1. We're still heading for 2C-3C by the 2050s.

We're somewhere around the SSP2-4.5, SSP3-7.0, and SSP5-8.5 scenarios (IPCC climate report AR6 from 2021).

See thread.

Image
2. “It is well understood that [aerosols’] presence is masking a substantial amount of greenhouse gas warming,”

This puts our increasingly interdependent global civilization in a tough bind.'

rollingstone.com/politics/polit…
Read 5 tweets
Ben See Profile picture
22 Nov
'Global warming could reach as high as 3.8°C..or as low as 1.7°C when..uncertainties are taken into account

"we are quite uncertain about where current policies and NDCs take us, contrary to a lot of the media and communication during COP26"

Or >4C?

🧵1/yahoo.com/now/study-cast…
Climate scientists are still worried about 4°C

Nov 2021: A 4.0°C rise could see nearly half of the world’s population living in areas potentially affected by extreme heat stress – a potentially fatal combination of heat and humidity.

🧵2/
metoffice.gov.uk/about-us/press…
We are somewhere around the IPCC's 'intermediate' or 'high' emissions scenarios (or even 'very high'?) which suggests 4C-5C or more by 2100 can't be ruled out.

Only a postgrowth economy could keep us below 1.6C by 2050.

🧵3/

carbonbrief.org/in-depth-qa-th…
Read 6 tweets

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