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  3. The Earth is reflecting less and less sunlight, study reveals

The Earth is reflecting less and less sunlight, study reveals

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  • Y yawweee877h444@lemmy.world

    But billionaires need bigger yachts. And more mansions. What’re we to do? Can’t sacrifice the billionaires ultra-mega-yachts.

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    fartographer@lemmy.world
    wrote on last edited by
    #11

    Dark colored yachts

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    • J JohnnyEnzyme

      FWIW, the Earth has about 500-600My left before common photosynthesis is no longer possible, due to consequences of Sol (our sun) relentlessly heating up, gradually.

      Now personally, my understanding is that unless complex life somehow adapts, then that will be the end of such upon Earth, with simpler life presumably surviving for billions more years past that mark.

      Point is-- if complex life can survive the coming collapse, then it evidently does have a very nice, healthy window to work with. Personally, I suppose that might be helped out quite a bit by the ‘churning of the continents,’ in which landmass gets regularly cycled back in to the magma layer over the course of millions of years, with new areas appearing on the other edges, so to speak.

      EDIT: clarifications

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      korhaka@sopuli.xyz
      wrote on last edited by
      #12

      What about life around deep sea vents?

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      • S salacious_coaster@infosec.pub

        I’m enjoying the thought of our current planet being melted down into liquid hot magma and a whole new planet surface getting a chance

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        JohnnyEnzyme
        wrote on last edited by
        #13

        Right??

        It’s going to be glorious.
        –(sotto voce)

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        • T themeatbridge

          Just in case it wasn’t clear, that’s a horrifying discovery. Like the extinction of all life on earth.

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          protist@mander.xyz
          wrote on last edited by
          #14

          That’s actually not clear at all. How did you draw this conclusion from what’s written here? It cites decreased pollution across the northern hemisphere as one of the drivers of this, for example, and how is that horrifying?

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          • S salacious_coaster@infosec.pub

            They already did, and current policy is to ignore it

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            beefandsquints@lemmy.dbzer0.com
            wrote on last edited by
            #15

            Well, they are certainly profiting from the despair.

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            • K korhaka@sopuli.xyz

              What about life around deep sea vents?

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              JohnnyEnzyme
              wrote on last edited by johnnyenzyme@piefed.social
              #16

              Ahh, good point, yes.
              I actually was thinking about those beautiful little deep-sea worlds when I wrote the above, but simply didn’t know enough to assert a dang-ol’ thing at the time. Okay, let’s see:

              However, although it is often said that these communities exist independently of the sun, some of the organisms are actually dependent upon oxygen produced by photosynthetic organisms, while others are anaerobic. –WP

              So… looks like we have at least *some* members of these little communities carrying on, past the death of oxygenic photosynthesis, which they evidently don’t need in order to survive. (meanwhile with anoxygenic photosynthesis carrying on for many millions more of years).

              But off the top of my empty coconut, it does raise a couple Q’s:

              1. Since there are maybe a dozen or less community members who live in these little worlds, closely built in to a commensurate ecosystem, would the death of the ones who rely on traditional photosynthesis bring about a collapse, either partial or total?

              2. Would rampant global warming tend to mess with the already super-heated, typically sulfurous nature of these worlds? (me, I would tend to think “nawt,” since they’re already so hot, but then again, I’m just some layperson really curious about all this, hah)

              Ah… those beautiful, entrancing little forbidden worlds:
              https://www.youtube.com/watch?v=ECBbAjoEHWI

              ❤️

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              • C cm0002@sh.itjust.works
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                Jeena
                wrote on last edited by
                #17

                This is how it started on Venus too!

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                • C cm0002@sh.itjust.works
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                  archonet@lemy.lol
                  wrote on last edited by
                  #18

                  at this point I’m fully expecting the only thing that keeps us from extincting ourselves with global warming is almost extincting ourselves with nuclear winter.

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                  • A archonet@lemy.lol

                    at this point I’m fully expecting the only thing that keeps us from extincting ourselves with global warming is almost extincting ourselves with nuclear winter.

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                    cm0002@sh.itjust.works
                    wrote on last edited by
                    #19

                    See we got this! We’re just going to get rid of mice climate change with a snake nuclear winter!

                    They’ll just cancel each other out perfectly 😌

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                    • C cm0002@sh.itjust.works

                      See we got this! We’re just going to get rid of mice climate change with a snake nuclear winter!

                      They’ll just cancel each other out perfectly 😌

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                      archonet@lemy.lol
                      wrote on last edited by
                      #20

                      I don’t wish for this to happen, mind you, but we are clearly living in the dumbest possible timeline, and so it is the only solution that makes sense

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                      • C cm0002@sh.itjust.works

                        See we got this! We’re just going to get rid of mice climate change with a snake nuclear winter!

                        They’ll just cancel each other out perfectly 😌

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                        baldingpudenda@lemmy.world
                        wrote on last edited by
                        #21

                        With how bad its going a summer without winter might give us another 10 years.

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                        • P protist@mander.xyz

                          That’s actually not clear at all. How did you draw this conclusion from what’s written here? It cites decreased pollution across the northern hemisphere as one of the drivers of this, for example, and how is that horrifying?

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                          themeatbridge
                          wrote on last edited by
                          #22

                          Because absorbed light is excess energy.

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                          • P protist@mander.xyz

                            That’s actually not clear at all. How did you draw this conclusion from what’s written here? It cites decreased pollution across the northern hemisphere as one of the drivers of this, for example, and how is that horrifying?

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                            jtotheb@lemmy.world
                            wrote on last edited by
                            #23

                            Also due to reduced water vapor and ice cover lol. It’s a conclusion that can be drawn without much reliance on the article, which focuses a lot on specific climate model improvements and not the obvious concern: given our desire for the earth to reflect more of the sun’s rays and cool off, reflecting fewer and warming up is not good

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                            • T themeatbridge

                              Because absorbed light is excess energy.

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                              protist@mander.xyz
                              wrote on last edited by
                              #24

                              It’s pretty big leap from the Earth absorbing slightly more energy from the sun to “the extinction of all life on Earth.”

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                              • J jtotheb@lemmy.world

                                Also due to reduced water vapor and ice cover lol. It’s a conclusion that can be drawn without much reliance on the article, which focuses a lot on specific climate model improvements and not the obvious concern: given our desire for the earth to reflect more of the sun’s rays and cool off, reflecting fewer and warming up is not good

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                                protist@mander.xyz
                                wrote on last edited by
                                #25

                                “The extinction of all life in Earth” is not a reasonable conclusion to draw from this

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                                • C cm0002@sh.itjust.works
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                                  zod000@lemmy.dbzer0.com
                                  wrote on last edited by
                                  #26

                                  This must be what people have meant when they say we’re headed for the Dark Ages.

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                                  • Z zod000@lemmy.dbzer0.com

                                    This must be what people have meant when they say we’re headed for the Dark Ages.

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                                    altphoto@lemmy.today
                                    wrote on last edited by
                                    #27

                                    I assume its the opposite. It’s absorbing light as heat vs reflecting and cooling down.

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                                    • C cm0002@sh.itjust.works
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                                      altphoto@lemmy.today
                                      wrote on last edited by
                                      #28

                                      Here’s the ad I obtained from that link…thinking what I’m thinking? Yes. Yes I am!

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                                      • A altphoto@lemmy.today

                                        I assume its the opposite. It’s absorbing light as heat vs reflecting and cooling down.

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                                        zod000@lemmy.dbzer0.com
                                        wrote on last edited by
                                        #29

                                        Yes, it is, I was just making a bad joke. I am actually surprised that didn’t mention that the decrease in some air pollution was also a factor. See: https://www.science.org/content/article/clearer-skies-may-be-accelerating-global-warming

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                                        • P protist@mander.xyz

                                          That’s actually not clear at all. How did you draw this conclusion from what’s written here? It cites decreased pollution across the northern hemisphere as one of the drivers of this, for example, and how is that horrifying?

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                                          leftzero@lemmy.dbzer0.com
                                          wrote on last edited by
                                          #30

                                          how is that horrifying?

                                          Daisyworld.

                                          Less albedo -> more heat -> ice caps melting -> less albedo and more greenhouse gases -> much more heat, and so on.

                                          It’s a vicious cycle, and there doesn’t seem to be any viable solution. We could put shades between us and the sun, but that’d probably reduce light too much and kill most plants, leading to even more carbon being released.

                                          We’re fucked, and probably way beyond any chance of unfucking ourselves. We let those pass by years ago.

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