TABLE 3.1 Summary of Emission Reduction Options for Non-CO2 GHGs

Gas

Source

Key Opportunities

Estimated Emissions Reduction Potential (Mt CO2-eq for 2030)

CH4

Landfills

Methane recovery and combustion (i.e., power generation, industrial uses, flaring)

92

 

Coal mines

Methane recovery and combustion, flaring, ventilation air use

39.2

 

Oil/gas systems

Use of low-bleed equipment, better management practices

47.5

 

Livestock waste

Methane collection from anaerobic digestors and combustion (power, flaring)

9

 

Ruminant livestock

Improved production efficiency through better nutrition and management

12

 

Rice production

Water management, organic supplements

4

N2O

Industrial sources

Adipic acid (catalysts, thermal destruction), nitric acid (nonselective catalytic reduction)

25.9

 

Mobile sources

Noncombustion vehicle alternatives (i.e., electric cars, fuel cell vehicles), reduced existing vehicle use (public transportation, fuel efficiency)

??

and methane). We note also the example that measures taken under the Montreal Protocol to control emissions of compounds that deplete stratospheric ozone have been estimated to create a climate change benefit (at zero incremental cost) that is five to six times what would have occurred if the Kyoto Protocol had been fully implemented (Velders et al., 2007).



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