Nuclear vs Solar vs Wind vs Fossil Fuels—how much land would be needed to power the world?

Explore the sustainability of different power sources.


No matter how we make electricity, it takes up space. Coal requires mines, and plants to convert it into electricity. Nuclear power takes uranium mines, facilities to refine it, a reactor, and a place to store the spent fuel safely. Renewable energy needs wind turbines or solar panels.

So how much space would it take to power the whole world? Explore the sustainability of different power sources.

This video was produced and published by TED-Ed. It was originally published on their YouTube channel.

Directed by Lisa LaBracio.
Animation and art direction by Kevin Herrmann, AIM Creative Studios.

In partnership with Bill Gates, inspired by his book “How To Avoid A Climate Disaster”.

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