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Stop global warming using technology? (lemmy.world)

submitted 1 year ago* (last edited 1 year ago) by Crass_Spektakel@lemmy.world to c/technology@lemmy.world

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I don't think human psychology will allow a united approach to global warming. Too man people are too stupid, to egoistic or just in such a tight spot they can not afford being "climate-friendly".

So I wonder if there are Mega-Projects available to stop global warming?

Some coming to mind:

Reflector mirror at Lagrange1 between Sun and Earth - even a 1.000.000km² mirror from ultrathin film would weigh 1000 tonnes at most.

Giant Air Scrubers and I mean giant. They would dwarf the pyramids and remove pullutants and CO² from the athmosphere.

In addition I think a originator principle should become common: Any nation not really trying to act clean should simply be burdened with massive tariff measures. Using modern technology it shouldn't be too hard to find nations who polute the ocean unnececerrally.

Edit, it became reality:

USA CO² Scrubber german

Project Cypress english

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[–] los_chill@programming.dev 2 points 1 year ago* (last edited 1 year ago) (1 children)

Some of us witnessed just how amazingly elastic our ecosystems can be just by the improvement in indicators like air quality due to reductions in human activity during covid. Human impact, while catastrophic, can revert amazingly quickly with radical behavioral change. Just something I try to keep in mind. I agree, that is the best path.

[–] Hank@kbin.social 2 points 1 year ago

Aside of changing abiotic factors we're rapidly losing biodiversity. Not only species but genetic variation in populations. If a species has little genetic variety it has less capacity to survive extreme events as a whole. I wanted to point that out just in case someone comes to the conclusion that you can just bounce back all willy nilly from a shrunken population.