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silence7@slrpnk.netM to Climate - truthful information about climate, related activism and politics.@slrpnk.netEnglish · 2 years ago

Rampant heatwaves threaten food security of entire planet, scientists warn

www.theguardian.com

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Rampant heatwaves threaten food security of entire planet, scientists warn

www.theguardian.com

silence7@slrpnk.netM to Climate - truthful information about climate, related activism and politics.@slrpnk.netEnglish · 2 years ago
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After hottest day ever, researchers say global heating may mean future of crop failures on land and ‘silent dying’ in the oceans
  • flossdaily@lemmy.world
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    2 years ago

    I don’t see how we can avoid it. Did you see the paper the other day about how new evidence shows that were headed towards a 10⁰ C rise?

    • 👁️🫦👁️@lemm.ee
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      2 years ago

      Can you point me to that paper? Google only turns up results stating that if we burned all fossil fuels on the planet we’d hit 10°C

      • flossdaily@lemmy.world
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        2 years ago

        Sure.

        Might want to make yourself a stiff drink before you read this one.

        https://www.columbia.edu/~jeh1/Documents/PipelinePaper.2023.07.05.pdf

        • silence7@slrpnk.netOPM
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          2 years ago

          Saw it when it came out. It’s well outside the consensus from people who study the topic.

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Discussion of climate, how it is changing, activism around that, the politics, and the energy systems change we need in order to stabilize things.

As a starting point, the burning of fossil fuels, and to a lesser extent deforestation and release of methane are responsible for the warming in recent decades: Graph of temperature as observed with significant warming, and simulated without added greenhouse gases and other anthropogentic changes, which shows no significant warming

How much each change to the atmosphere has warmed the world: IPCC AR6 Figure 2 - Thee bar charts: first chart: how much each gas has warmed the world.  About 1C of total warming.  Second chart:  about 1.5C of total warming from well-mixed greenhouse gases, offset by 0.4C of cooling from aerosols and negligible influence from changes to solar output, volcanoes, and internal variability.  Third chart: about 1.25C of warming from CO2, 0.5C from methane, and a bunch more in small quantities from other gases.  About 0.5C of cooling with large error bars from SO2.

Recommended actions to cut greenhouse gas emissions in the near future:

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