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Table 1 Comparison of major SLCPs and CO2

From: Rethinking methane from animal agriculture

Name

Molar mass (g mol−1)

Atmospheric lifetime

Global annual emission (Gt)

GWP20

GWP100

Carbon dioxide (CO2)

44.01

Hundreds to thousands of years

3.69 × 107

1

1

Methane (CH4)

16.04

12.4 years

3.64 × 105

84

28

Black carbon

–

7 to 10 days

5.31 × 103

1600

460

Tropospheric ozone (O3)

48.00

Hours to weeks

 

–

–

HFC-134a (CH2FCF3)

102.03

13.4 years

163

3710

1300

HFC-152a (CH3CHF2)

66.05

1.5 years

27.9

506

138

  1. Data was collected from Myhre et al. (2013a, b); the GWP values in this table were not including climate-carbon feedbacks
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CABI Agriculture and Bioscience

ISSN: 2662-4044