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Section 2. Climate Vulnerability and GHG Emissions | 25Pleasanton Climate Action Plan 2.0 <br />Like many cities, Pleasanton’s major emissions sources are on-road transportation, especially <br />from commercial and passenger vehicles, and building energy, especially natural gas <br />consumption. In 2017, most of Pleasanton’s GHG emissions came from three sources (Figure 2): <br />• Transportation (on-road and off-road transportation <br />• Building natural gas use (residential and non-residential buildings) <br />• Building electricity use (residential and non-residential buildings <br />As measured in the inventories, between 2005 and 2017, Pleasanton community GHG emissions <br />have declined 28%, exceeding the GHG emissions reduction target established in the CAP <br />1.0. Even as Pleasanton has continued to experience a growing population and economy, the <br />community achieved a per capita emissions reduction of 37%. <br />Figure 3. Communitywide emissions changes from 1990 to 2017, by sector <br />Figure 2. Pleasanton community GHG emissions by sector <br />(2017 Total: 588,553 MTCO2e1) <br />Reduction driven by <br />improvements to <br />vehicle fuel economy. <br />Reduction driven by <br />significant decline in off- <br />road vehicle emissions. <br />Reduction driven by <br />improvements to PG&E’s <br />electricity fuel mix (i.e., <br />increased renewable energy <br />sources and use). <br />Increase driven by greater use <br />of natural gas to power our <br />buildings, specifically in the <br />commercial and industrial <br />sectors. <br />Reduction driven by <br />decreased amount of solid <br />waste households <br />& businesses produce. <br />Reduction driven <br />by decreased wastewater <br />emissions. <br />1 MTCO2e refers to metric tons of carbon dioxide equivalence, which <br />expresses the global warming potential of GHGs in terms of carbon <br />dioxide.