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Acid Test: The Global Challenge of Ocean Acidification

2009

This groundbreaking NRDC documentary explores the startling phenomenon of ocean acidification, which may soon challenge marine life on a scale not seen for tens of millions of years. The film, featuring Sigourney Weaver, originally aired on Discovery Planet Green.

21:35 min

06:02

Michio Kaku: Will Mankind Destroy Itself?

Theoretical physicist Michio Kaku sees two major trends today. One eventually leads to a multicultural, scientific, tolerant society that will expand beyond Earth in the name of human progress. The other trend leads to fundamentalism, monoculturalism, and - eventually - civilizational ruin.

Video
Michio Kaku
2011
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EXPLORE TOPIC

Global Challenges