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- Last 7 days
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www.columbia.edu www.columbia.edu
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What is a realistic timeframe on which “the point of no return” should be understood muchbetter and its implications communicated?
for - quote - at what date will current "hopium" approach of net zero delay be revealed to be ineffective? - 2030 - Jim Hansen
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- Apr 2023
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theconversation.com theconversation.com
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The new report evokes a mild sense of urgency, calling on governments to mobilise finance to accelerate the uptake of green technology. But its conclusions are far removed from a direct interpretation of the IPCC’s own carbon budgets (the total amount of CO₂ scientists estimate
- The report claims that
- to reach target of 50/50 chance of staying within 1.5 deg C,
- we must reach meet zero by 2050
- Yet, updating the IPCC’s estimate of the 1.5°C carbon budget,
- from 2020 to 2023, and then drawing a straight line down from today’s total emissions to the point where all carbon emissions must cease, and without exceeding this budget,
- gives a zero CO₂ date of 2040.
- Furthermore, adding policy delays to set things up, it is more likely a date closer to mid 2030's.
- Yet, updating the IPCC’s estimate of the 1.5°C carbon budget,
- The report claims that
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