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.

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Table of Contents

1) Natural Compounds 01:12:1
a) Carbon 01:35
b) Nitrogen and Phosphorous 02:11:2
c) Cyanide 04:05
d) Mercury 05:15
e) Sulfur & Nitrogen Dioxide 05:58

2) Synthetic Compounds 06:51
a) Endocrine Disruptors 07:09

References for this episode can be found in the Google document here: http://dft.ba/-3wpP Support CrashCourse on Subbable: http://subbable.com/crashcourse