Futurology

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Analysis of phytoplankton fossil carbon isotope fractions indicates substantial atmospheric CO2 decline in the last 15M years, suggesting a climate sensitivity far higher than previous IPCC models (www.nature.com)

submitted 4 months ago by [email protected] to c/[email protected]

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[–] [email protected] 6 points 4 months ago (1 children)

When we again weigh each sensitivity by the percent-area for the Earth, our global average ECS is 7.2 °C per doubling of CO2, much higher than the most recent IPCC estimates of 2.3 to 4.5 °C and consistent with some of the latest state-of-the-art models which suggest ca. 5.2 °C

2.3c means crop failures and food shortages globally. 5.2c means the end of our civilisation. 7.2c means the end of our species.

[–] [email protected] 3 points 4 months ago (1 children)

Was just reading the abstract to see how fucked humanity is, and this one says we are super fucked.

[–] [email protected] 1 points 4 months ago

How fucked are we?

We're really fucked