Overview: John Muir convinces Teddy Roosevelt to preserve Yosemite, journalist Marjory Stoneman Douglas fights to protect the Everglades, and Native American activists occupy Alcatraz.
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First Air Date: Jul 09, 2013Last Air date: Aug 06, 2019Season: 6 SeasonEpisode: 70 EpisodeRuntime: 22 minutesQuality: HDIMDb: 6.80 / 10 by 84 usersPopularity: 47.43Language: English