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silence7@slrpnk.netM to Climate@slrpnk.netEnglish · 3 年前

Climate crisis could contribute to a global food shortage by 2050, US special envoy on food security warns

www.theguardian.com

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Climate crisis could contribute to a global food shortage by 2050, US special envoy on food security warns

www.theguardian.com

silence7@slrpnk.netM to Climate@slrpnk.netEnglish · 3 年前
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Cary Fowler says world needs to produce 50-60% more food by middle of the century but global heating is expected to reduce yield rates
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  • Aksamit@slrpnk.netdeleted by creator
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    3 年前

    Some more worrying news: global fresh water reserves will be 40% over capacity by 2030, and 90% of global top soil and arable land is at risk of depletion by 2050.

  • WhatAmLemmy@lemmy.world
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    3 年前

    “Could” lol… It’s already impacting rice yields; probably many others.

    • masterofn001@lemmy.ca
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      3 年前

      Inflation is a euphemism for corporate fuckery.

      Also, cover for the already well under way destruction of food chains and supply lines.

      We are already at DEFCON fucked.

    • silence7@slrpnk.netOPM
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      3 年前

      Timing is tough to have narrow certainty on

  • Burn_The_Right@lemmy.worlddeleted by creator
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    3 年前

    2050?! Fucking liars. The 2030’s is more accurate.

    • silence7@slrpnk.netOPM
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      3 年前

      That’s relatively unlikely still.

  • theendismeh@slrpnk.net
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    3 年前

    deleted by creator

  • zoe @infosec.pubBanned
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    Removed by mod

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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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