5 Human Impacts on the Environment: Crash Course Ecology #10

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.

https://www.youtube.com/watch?v=5eTCZ9L834s&list=PL8dPuuaLjXtNdTKZkV_GiIYXpV9w4WxbX&index=10

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