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Clip: Season 44 | 2m 47s
Can states, cities, and companies fulfill US obligations to the Paris Accord on their own?
Aired: 11/30/17
National corporate funding for NOVA is provided by Draper. Major funding for NOVA is provided by the David H. Koch Fund for Science, the Corporation for Public Broadcasting and PBS viewers.
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A team of experts rebuild an ancient battle chariot to help uncover its design secrets.
