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

xkcd : Earth Temperature Timeline

imgs.xkcd.com

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xkcd : Earth Temperature Timeline

imgs.xkcd.com

Chris@feddit.uk to Climate - truthful information about climate, related activism and politics.@slrpnk.netEnglish · 2 years ago
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cross-posted from: https://programming.dev/post/4245345

https://xkcd.com/1732/

  • sik0fewl@kbin.social
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    18    ·
    2 years ago

    Should I be concerned?

    • LibertyLizard@slrpnk.net
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      29      ·
      2 years ago

      Yes.

    • londos@lemmy.world
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      2 years ago

      If we face this problem head on, if we listen to our best scientists, and act decisively and passionately…I still don’t see any way we can survive.

Climate - truthful information about climate, related activism and politics.@slrpnk.net

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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:

Anti-science, inactivism, and unsupported conspiracy theories are not ok here.

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