https://www.nytimes.com/2020/10/28/climate/climate-change-geoengineering.html?searchResultPosition=1

  • JoesFrackinJack [he/him]
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    4 years ago

    Uhhh, no, it's not that simple lol. You're neglecting the fact that trees dont help with methane gas , in fact they produce it when they burnt, and lots of it. Methane is serious problem that wasn't fully understood till somewhat recently and wasn't accounted for accurately in old climate models. Methane is worse than CO2 and there is millions of tons in pockets of permafrost melting like crazy right now. Trees are great but it's not enough at all

    • Mardoniush [she/her]
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      4 years ago

      It's a bit more complex. Rewilding does indeed act as a substantial net greenhouse decrease in the medium term. But the methane increases emissions impact in the short term, even though it degrades fairly fast.

      Basically, we need to rewild, but also get to zero emissions and scrub current emissions out at the same time. And yes, we're probably going to need to do some geoengineering, probably solar shades to increase albedo and replace lost ice reflection.

      The issue is that things are now so bad we're going to have to do pretty much everything just to stop human extinction, or at least severe degradation into one or two high tech enclaves (no AnPrims, the climate will be too unstable to support Hunter-gathering.)

      • JoesFrackinJack [he/him]
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        4 years ago

        Really well said. The other tragic part about reforesting areas is how extreme fired all around the world are getting. It's just an overall dryer and warmer climate and drought is common now in areas that didn't really have thst issue.

        I really truly wish we could get our shit together but as it stands, especially considering this original posts suggestion of geo-engineering, they are doing everything possible but the one thing we truly need to do, dramatically lower emissions. I feel like I'm going insane sometimes seeing the hoops they suggest instead of it.

    • Lovely_sombrero [he/him]
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      4 years ago

      Trees are great but it’s not enough at all

      I already said that this would just decrease our CO2 addition, not reverse it. But this is a form of simple & cheap atmosphere modification.

      • JoesFrackinJack [he/him]
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        4 years ago

        Have you looked into some of the tree planting programs across India and Africa? It's a very mixed result for your claim of offsetting current and future CO2 emissions. Growing a bunch of trees in areas that need it the most is extremely difficult and water is much harder to come by as well as sustainability issues, especially keeping them alive. It's much harder than it appears on surface level, especially the water part