The Hydrologic and Carbon Cycles: Always Recycle! – Crash Course Ecology #8

Hank introduces us to biogeochemical cycles by describing his two favorites: carbon and water. The hydrologic cycle describes how water moves on, above, and below the surface of the Earth, driven by energy supplied by the sun and wind. The carbon cycle does the same… for carbon!

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Table of Contents

1) Hydrologic Cycle – 1:15
A) Clouds – 2:13
B) Runoff – 3:06
C) Oceans – 3:41
D) Evapotranspiration – 4:25

2) Carbon Cycle – 5:12
A) Plants – 5:48
B) Fossil Fuels – 6:40
C) Oceans – 7:12
D) Global Warming – 7:35

References and image licenses for this episode can be found in the Google document here:


About The Objective Review - Journalist Joseph Kirk
"so it is to the printing press--to the recorder of man's deeds, the keeper of his conscience, the courier of his news--that we look for strength and assistance, confident that with your help man will be what he was born to be: free and independent." ~John F. Kennedy Contributing to the people with passion and diligence through vigorous and tedious research to get the facts out for review. Political Correspondent for: General News Agency United Press Association News Examiner Demonstrating much prowess for informing the inquiring mind throughout the Republic of the United States of America. an accredited member of the General News Agency, United States Press Agency, United Press Association, US Press Association, The Examiner and The Objective Review. You can be confident that you have been objectively and fully informed. Correspondent Joseph Kirk:

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