Pollution - S1.E11 - Crash Course Ecology
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.
Pollution - S1.E11 - Crash Course Ecology
January 14, 2013
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