Entertainment Weekly

By Owen Gleiberman
A rapturous and enlightening look at the history of the environmental movement in America.
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By Justin Chang
A moving, elegiac, deeply contemplative work that leaves the viewer not with a save-the-world checklist, but rather a spirit of hopeful reflection.
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Austin Chronicle

By Marc Savlov
An informative and nonpolemic look at the birth of the modern environmental movement and its various offshoots and key players.
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Boston Globe

By Wesley Morris
The rare ecological documentary that doesn’t nag us to run out of the movie theater and change the world.
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Washington Post

By Desson Thomson
Feels like a prolonged campfire conversation, filled with weathered, measured talk about holistic thinking and finding a new perspective.
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Los Angeles Times

By Kenneth Turan
There is a sense of sadness around Earth Days, a sense that opportunities were not capitalized on, that not enough was done.
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Village Voice

By Melissa Anderson
There's great archival footage.
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St. Louis Post-Dispatch

By Joe Williams
There's little that's new in the retelling, except mellowed musings on Environmentalism 2.0.
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The Hollywood Reporter

Documentaries are a hard sell these days, and despite the timely, pertinent subject, the film simply doesn't have enough entertainment value to draw an audience to the multiplex.
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New York Daily News

By Joe Neumaier
Even with all the inconvenient truths exposed, Stone's film is still, sadly, inescapably crucial.
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70 out of 100
Generally favorable reviews
Metascore® based on all critic reviews. Scores range from 0 to 100, with higher scores indicating more favorable reviews.