Sanford School of Policy professor Billy Pizer outlines the challenges of designing policies that rein in the environmental impacts of energy use.

While it’s true that Earth’s temperatures and carbon dioxide levels have always fluctuated, the reality is that humans’ greenhouse emissions since the industrial revolution have put us in uncharted territory.

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Written by Dr Benjamin Henley and Assoc Prof Nerilie Abrams.
Animated and edited by Wes Mountain for The Conversation.
Music: Kevin Macleod – Faster Does It
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