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.

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Table of Contents
Ecosystem Services 00:51
The Importance of Biodiversity 04:07
Deforestation 06:42
Desertification 06:49
Global Warming 07:59
Invasive Species 08:51
Overharvesting 09:20

Crash Course/SciShow videos referenced in this episode:
Hydrologic and Carbon Cycles:
Nitrogen and Phosphorus Cycles:
Ecological Succession:
Climate Change:
Invasive Species:
Food Shortage:

References and image licenses for this episode can be found in the Google document here: Crash Course is on Patreon! You can support us directly by signing up at

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