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China built a 40-story tower that stores wind power by stacking concrete (boingboing.net)

submitted 4 days ago by cm0002@lemdro.id to c/technology@midwest.social

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[–] wyldrstallyns@lemmy.dbzer0.com 4 points 4 days ago (2 children)

Oh, perfect, concrete is the greenest of green! What genius! We're saved! /s 😶🤮

The cement industry alone accounts for roughly 8% of global carbon dioxide emissions—emitting more than the aviation and global shipping industries combined.

[–] wander1236@sh.itjust.works 4 points 4 days ago

Surplus wind power hoists 35-ton blocks cast from recycled concrete and industrial aggregate toward the top.

[–] JillyB@beehaw.org 3 points 4 days ago (1 children)

The site says the blocks are made from recycled concrete

[–] wyldrstallyns@lemmy.dbzer0.com 1 points 4 days ago

That's supposed to be a finite resource, not a poster child for why more is "necessary". ☝🏼

[–] Bohne93@feddit.org 2 points 4 days ago

Oh wow, been years since i last heared of gravity batteries. AdamSomething i think made a video about these, tldr water reservoirs are much much more efficent