PhD in aerospace engineering from Wallonia.
Docteur ingénieur en aérospatiale de Wallonie.
Docteur indjenieur e-n areyospåciå del Walonreye.
PhD in aerospace engineering from Wallonia.
Docteur ingénieur en aérospatiale de Wallonie.
Docteur indjenieur e-n areyospåciå del Walonreye.
Look at the population pyramids of the US, Europe, China, India. Population's reaching the peak. Only Africa is not yet at its peak, probably for economic reasons.
My turn to play the [citation needed] card :^)
Sustainability and renewables also mean resources being dug up stay in the loop and can be recycled. There's no physical reason not to be able to reuse a lot of the resources we need.