this post was submitted on 28 Dec 2024
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[–] A_A@lemmy.world 5 points 5 months ago (10 children)

Not "Human Detritus" no :

(...) billion years for the first living (...) to grow (...) into the 1.1 trillion tons of biomass (...)
But all of that is outweighed by (...) concrete and other material that humans have produced (...)

Most matter in concrete is sand and gravel and is not different just by the fact it's encapsulated in cement paste.
We humans do not "produce" rock. We do break it into gravel and this doesn't change its nature. By weight, most of the stuff we have "produced" is gravel.

Let's be responsible with the real garbage and dangerous stuff we "produce" without being alarmist.

[–] trajekolus@lemm.ee 3 points 5 months ago (1 children)

It is necessary for people to visualise these human impacts because, for example, concrete is the most destructive material on Earth

[–] A_A@lemmy.world 4 points 5 months ago

from your link :

(concrete ...) carbon dioxide emitter (...) 2.8 billion tonnes (in 2019)

Well yes, this carbon dioxide emitted during cement production is the problem : if we could manufacture cement using solar power and capturing CO2 it wouldn't be such a big problem.

Anyway, my comment was more about rock and not about cement. ... and I agree with you that it's important to keep people interested in fighting bad dangerous products of human activity.

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