TEDxWarwick - David MacKay - How the Laws of Physics Constrain Our Sustainable Energy Options

Department of Climate Change Chief Scientific Advisor, Professor David MacKay FRS, is responsible for ensuring the best science and engineering advice underpins DECC's policy and decision-making....

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When the Industrial Revolution started,the amount of carbon sitting underneath Britain in the form of coalwas as big as the amount of carbon sitting under Saudi Arabiain the form of oil.This carbon powered the Industrial Revolution,it put the "Great" in Great Britain,and led to Britain's temporary world domination.And then, in 1918, coal production in Britain peaked,and has declined ever since.In due course, Britain started using oil and gas from the North Sea,and in the year 2000,oil and gas production from the North Sea also peaked,and they're now on the decline.These observations about the finitenessof easily accessible, local, secure fossil fuels,is a motivation for saying, "Well, what's next?What is life afte...