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Watch Crash Course Ecology Season 1 Episode 11 Online

  • COUNTRIES: United States of America
  • Subtitles: English

Hank talks about the last major way humans are impacting the environment in this penultimate episode of Crash Course Ecology. Pollution takes many forms - from the simplest piece of litter to the more complex endocrine distruptors - and ultimately, humans are responsible for it all.