Tagged “mining”

learned about this on a video of "depth of different bodies of water".

These emissions [for wind turbines, solar panels, and batteries] could amount to a cumulative 15-35 gigatonnes of CO₂ equivalent over the next 30 years: but that compares with around 40 Gt CO₂ equivalent produced every year by the fossil fuel based energy system.

The Pyramid of Giza needed a lot of copper, for picks and chisels for working stone.