Crash Course Ecology Season 1 Episode 10 2012
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Hank gives the run down on the top five ways humans are negatively impacting the environment and having detrimental effects on the valuable ecosystem services which a healthy biosphere provides.
- Released: 2013-01-07
- Runtime: 13 minutes
- Genre: Documentary
- Stars: Hank Green
- Director:
- Source: Layarstar
