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PBS NewsHour

Why solar technology cannot save us

5:08

PBS NewsHour economics correspondent Paul Solman hears from former big pharma executive Chris Martenson about how our economy requires unsustainable resources. But technology cannot make alternative sources of energy; it can only help us find them.

Episodes of PBS NewsHour44

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PBS NewsHour

State of the Union 2016

PBS NEWSHOUR offers live coverage of President Obama's speech and the Republican response.

0:20

PBS NewsHour

PBS NewsHour Weekend

Premieres Saturday, September 7, 2013 at 6 p.m. ET.

0:30

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