ACID TEST: The Global Challenge of Ocean Acidification

Directed by Tristan Bayer, Daniel Hinerfeld · Starring Ken Caldeira, Ralph Cavanagh, Victoria Fabry, Stephen R. Palumbi · 2009

An NRDC documentary featuring Sigourney Weaver explains how rising CO2 is acidifying the oceans and threatening marine life on an unprecedented scale.

Striking underwater footage and clear science reveal a hidden threat to the world's oceans.

ACID TEST: 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. Featuring Sigourney Weaver

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