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Talk19 min

A reality check on renewables

David MacKay · TED

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About

How much land mass would renewables need to power a nation like the UK? An entire country's worth. In this pragmatic talk, David MacKay tours the basic mathematics that show worrying limitations on our sustainable energy options ... and explains why we should pursue them anyway.

The talk

  1. A reality check on renewables 19 min · TED's player

Credits and licence

Institution
TED
Department
TEDxWarwick
Speaker
David MacKay
Year
2012
Level
For everyone
Language
English
Subjects
Mathematics, Earth and environment
Source
TED
Licence
CC BY-NC-ND 4.0, as TED states it. Non-commercial use only, and no changed versions. TED's terms
Attribution
TED Talks are licensed by TED under Creative Commons BY-NC-ND 4.0 International and are shown here in TED's own player, as TED's usage policy asks.
Who can watch
TED gives no rating. Invisible Network shows it to Tweens profiles and older, judged from what the source says about it. How courses are placed