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4 Jun, 4 tweets, 2 min read
2011: 'if there is to be any hope of avoiding civilization-threatening climate disruption, the U.S. and other nations must act immediately and aggressively on an unprecedented scale.'

2021: 'there's no longer any realistic chance of an orderly transition'
grist.org/climate-change…
'It is unpleasant to talk like this.. but no doctor would counsel withholding a diagnosis from a patient because it might upset them. If we’re in this much trouble, surely we must begin by telling the truth about it.

So let’s have some real talk..' 2011 grist.org/climate-change…
businessgreen.com/news/4032144/r…
Corporate newspapers like The Guardian have no wish to point out that billions of people oppressed by poverty are suffering and will suffer increasingly because corporations (along with corporate media) and governments are working together to block action. dumptheguardian.com/environment/20…

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More from @ClimateBen

Ben See Profile picture
28 May
Remember:

0.75°C in the 2000s
*cryosphere tipping points & feedbacks
*coral reefs suffer extreme damage

1°C in the 2010s
*permafrost feedbacks
*rainforest tipping points

1.5°C in the 2020s
*global food security risk
*40-60% of primates, trees, & pollinators face extinction
It turns out that the Greenland ice sheet hit a tipping point at the end of the twentieth century.

So where is the emergency action?

'a step-change which is unlikely to be reversible in the near future.'news.climate.columbia.edu/2020/09/02/gre…
'Until an El Niño event in 1982-83, mass bleaching at the scale of, say, the Caribbean basin or the Western Pacific or the Indian Ocean was unheard of. The first completely global bleaching event was in 1998..the first time the Great Barrier Reef..bleached'e360.yale.edu/features/insid…
Read 14 tweets
Ben See Profile picture
26 May
Remember:

1. The Greenland Ice Sheet reached a tipping point 20 years ago

2. The temperature tipping point of the terrestrial biosphere lies within the next 20 to 30 years

3. 50% of all species may be vulnerable to thermal infertility due to climate change

4. We can still act
1. “I think it’s very important to emphasize that this loss of the ice sheet is not irreversible. We’ve witnessed a step-change that is unlikely to be reversible in the near future.."
news.climate.columbia.edu/2020/09/02/gre…
The temperature tipping point of the terrestrial biosphere lies not at the end of the century or beyond, but within the next 20 to 30 years' advances.sciencemag.org/content/7/3/ea…
Read 6 tweets
Ben See Profile picture
23 May
1.5°C

1. makes the tropics hard to live in or uninhabitable
2. risks Antarctic sea level rise horror in decades
3. wrecks rainforests if combined with deforestation
4. puts Arctic sea ice on road to ruin
5. endangers global food security
6. threatens unstoppable feedbacks

News?
surpassing the 1.5°C threshold will represent a threat to global food security'

See thread for extraordinary details:

The UN says global food security is already at risk:
Read 4 tweets
Ben See Profile picture
22 May
Did you know?

40% of plants including trees face extinction.

50% of amphibians risk extinction.

60% of primates face extinction.

The global economic system is waging a war on nature.
'And this is just what we already know about. Researchers say there are huge gaps in our knowledge of plants, and more work is needed to assess the conservation status of more species.'

ctvnews.ca/mobile/climate…
Half of all amphibian species at risk of extinction

api.nationalgeographic.com/distribution/p…
Read 4 tweets
Ben See Profile picture
22 May
Dear Journalists,

Is the message from scientists "we need zero emissions by 2028 or so because of feedbacks and then climate change must be reversed somehow but geoengineering presents a danger to all life on Earth and carbon-sucking technology at scale is a fantasy"?

Love,
Ben
“If rapid emission reductions are initiated soon, it is still possible that at least a large fraction of required CO2 extraction can be achieved via relatively natural agricultural and forestry practices with other benefits,” the authors wrote.

From 2016:
insideclimatenews.org/news/06102016/…
“On the other hand, if large fossil fuel emissions are allowed to continue, the scale and cost of industrial CO2 extraction, occurring in conjunction with a deteriorating climate with growing economic effects, may become unmanageable."

From 2016:
insideclimatenews.org/news/06102016/…
Read 8 tweets
Ben See Profile picture
21 May
What newspapers still won't scream about is when Earth system feedbacks like thawing permafrost are taken into account, emissions must be slashed to zero in the 2020s for any hope of a reasonable chance of staying below potentially totally catastrophic levels of global warming.
1.
Carbon 'budgets' for horrific 1.5-1.9°C of global warming are either tiny or non-existent according to climate scientists (nature.com/articles/s4324…) rven without the latest science on Arctic feedback loops being taken into account.
⬇️
eurekalert.org/pub_releases/2…
2.
'The tropics could become uninhabitable if we don’t limit global warming to less than 1.5°C.'

Above this, the equatorial region, which is home to around 43% of the world’s population, could see air temperatures increase beyond what humans can stand.

newscientist.com/article/227035…
Read 11 tweets

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