Applications and Investigations in Earth Science (9th Edition)
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN: 9780134746241
Author: Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher: PEARSON
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Question

Using the 100-year Global Warming Potential (GWP) values in the first Table, calculate an equivalent CO2 emission rate for worldwide greenhouse gas emissions as given in the second table. What is the percentage contribution of actual CO2 emissions to the total equivalent CO2? What is the next most important greenhouse gas emission based on this analysis? How do these results compare to those using the 20-year GWP.

Global warming potential of major GHG

Greenhouse gas

20 years

100 years

CO2

1

1

CH4

56

21

N2O

280

310

 

Annual emissions of major GHG

Greenhouse gas

World Annual Emissions (Mt/yr)

CO2

30,400

CH4

485

N2O

6.7

Type the steps correctly.

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