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Table 2 Global and Asia/Pacific emissions of CH4, NOx, and NMVOC in 1970 and 2010, and the reduction ratio (%) necessary to reduce the emissions in 2010 to the 1970 level. The units are Tg CH4 year−1, Tg NOx year−1, and Tg NMVOC year−1, respectively (based on Hoesly et al. 2018)

From: An empirical approach toward the SLCP reduction targets in Asia for the mid-term climate change mitigation

Species Global Asia/Pacific
1970 2010 Reduction ratio 1970 2010 Reduction ratio
CH4 233 357 0.35 72 169 0.57
NOx 79 141 0.44 14 68 0.79
NMVOC 126 161 0.22 34 86 0.60