TED: A reality check on renewables | David MacKay

The video discusses the decline of fossil fuels in the UK and the need for alternative energy sources due to climate change and finite resources. It evaluates biofuels, wind, and solar power, highlighting the land required for each. The video also explores energy consumption in the UK, comparing it with other countries. It suggests solutions like renewables, nuclear power, and reducing demand through transport and heating efficiency. The video concludes with a call for a comprehensive energy plan.

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