Can the world rely on renewable energy? | Future Earth | BBC News

Can the world rely on renewable energy? | Future Earth | BBC News
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What are the challenges the world faces in the transition to renewable energy and what are the possible solutions?

The BBC's Carl Nasman learns about the US' first 100% renewable-powered city; the world's largest solar farm; and the research project literally getting energy from thin air.

This is episode three of Future Earth, a series exploring today's most important developments in climate science and sustainability.

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