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anzich ( anzich@feddit.de )  to Climate@slrpnk.net · 3 years ago

Researchers argue that reducing greenhouse gas emissions is not enough to combat climate change

phys.org

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Researchers argue that reducing greenhouse gas emissions is not enough to combat climate change

phys.org

anzich ( anzich@feddit.de )  to Climate@slrpnk.net · 3 years ago
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According to a new paper in Oxford Open Climate Change, the strategies humanity must pursue to reduce climate change will have to include more than reducing greenhouse gases. This comes from an analysis of climate data led by researcher James Hansen.
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  • trash80 ( trash80@lemmy.dbzer0.com ) deleted by creator
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    • FoxyFerengi ( FoxyFerengi@lemm.ee ) 
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      3 years ago

      Planting trees is likely not going to be enough. There’s so much carbon in the air right now that the symbiotic fungi that typically feed plants nitrogen in exchange for carbon, are doing so at a lesser rate. Essentially the exchange is experiencing inflation

      • trash80 ( trash80@lemmy.dbzer0.com ) deleted by creator
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        • Sonori ( sonori@beehaw.org ) 
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          3 years ago

          Short of mining the moon to make orbital mirrors out of lunar tin foil, foucus on rapid and complete decarbonisation while accepting that there were consequences to largely ignoreing the problem for the last sixty years.

          • DeathsEmbrace ( DeathsEmbrace@lemmy.ml ) deleted by creator
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            3 years ago

            This isrl relatable to so many people wait until the absolute last second before starting to do anything. Procrastination ftw.

        • hotair ( hotair@slrpnk.net ) 
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          3 years ago

          Solution is a maybe an overstatement, but

          • destroy the methane. That’s energetically favorable, so it can be done more easily. Makes some CO2 but it’s 50x less bad that way.
          • get the carbon back out and stick it into the ground. We’ll be on our way when the Mauna Loa CO2 curve bends and goes down for a year or two. That’s energetically expensive, but we’ll figure out a way (hopefully) to do it wherever we have solar overproduction.

          Trees are nice, but it’s nowhere near enough to do that.

          • trash80 ( trash80@lemmy.dbzer0.com ) deleted by creator
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            • hotair ( hotair@slrpnk.net ) 
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              3 years ago

              Charm Industrial likes Switchgrass I think. To make oil to pump back under.

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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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