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The weight of all buildings erected by humans




The weight of all buildings and everything else made by humans ( houses, streets, cars, factories and other buildings ) is 30 000 000 000 000 tons. That's 50 kilogram per square meter on the surface of our planet. This has been estimated by a group of scientists around Jan Zalasiewicz at the University of Leicester.

Source: bild der wissenschaft 2-2017



3 blog comments below

That's pretty heavy. But... it's based off of materials that existed somewhere in this planet, no? At most, we've probably displaced a lot of that. Mining resources from the ground in what place and refining it to build a structure somewhere else. I'm not sure what to make of the oil we pull. Some of that turns into gas which is burned off to create heat and other gasses so some of that is displaced I'm sure.

Interesting food for thought here.
TheGremlyn on Sun Feb 12, 2017 9:05 pm
Valid point ! May be it is just that we move more and more material to the surface of the planet, like ants.
amagard on Fri Feb 17, 2017 10:12 am
Very good point, TG.
standready on Sun Feb 19, 2017 4:07 pm



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