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PotentiallyLess Than Less Than Analyzed Significant Significant itigation with Si nificant No In The M Impact Incorporated Impact Impact Prior EIR VIII , GREENHOUSE GAS EMISSIONS . Would the project: a) Generate greenhouse gas emissions , either directly or indirectly , that may have a significant impact on the ❑ ❑ © ❑ ❑ environment? b ) Conflict with an applicable plan , policy or regulation adopted for the purpose of reducing the emissions of greenhouse ❑ ❑ © ❑ ❑ gases ? Impact Discussion : This project is comprised of three applications : General Plan Amendment No . PA-2200277 to amend the map designation of 2 APN ' s composed of 10 legal lots from C/ C ( Community Commercial ) to RIM ( Medium Density Residential ) and Zone Reclassification No . PA-2200278 , which proposes to change the current zoning designation of the same parcels from C -C ( Community Commercial ) and P - F ( Public Facilities) to R - M ( Medium Density Residential ) ; and an Administrative Use Permit to develop a Multi- Unit Residential project to include a two-story four- plex totaling 4 , 184 square feet and an 822 square foot accessory dwelling unit on a new parcel configuration created by Lot Line Adjustment No . PA-2200168 . The project site currently has eight existing non -conforming single-family dwellings and proposes the demolition of four existing single-family residences and an accessory storage structure . Additionally , the project proposes to construct two single family residences , two accessory dwelling units and two duplexes . a- b ) Emissions of GHGs contributing to global climate change are attributable in large part to human activities associated with the industrial/ manufacturing , utility , transportation , residential , and agricultural sectors . Therefore , the cumulative global emissions of GHGs contributing to global climate change can be attributed to every nation , region , and city , and virtually every individual on earth . An individual project' s GHG emissions are at a micro-scale level relative to global emissions and effects to global climate change ; however , an individual project could result in a cumulatively considerable incremental contribution to a significant cumulative macro -scale impact . As such , impacts related to emissions of GHG are inherently considered cumulative impacts . Implementation of the project would cumulatively contribute to increases of GHG emissions . Estimated GHG emissions attributable to future development would be primarily associated with increases of carbon dioxide ( CO2) and , to a lesser extent , other GHG pollutants , such as methane ( CH4 ) and nitrous oxide ( N2O ) associated with area sources , mobile sources or vehicles , utilities ( electricity and natural gas ) , water usage , wastewater generation , and the generation of solid waste . The primary source of GHG emissions for the project would be mobile source emissions . The common unit of measurement for GHG is expressed in terms of annual metric tons of CO2 equivalents ( MTCO2e/yr) . As noted previously , the project will be subject to the rules and regulations of the SJVAPCD . The SJVAPCD has adopted the Guidance for Valley Land- use Agencies in Addressing GHG Emission Impacts for New Projects under CEQA and the District Policy — Addressing GHG Emission Impacts for Stationary Source Projects Under CEQA When Serving as the Lead Agency. ' The guidance and policy rely on the use of performance - based standards , otherwise known as Best Performance Standards ( BPS ) to assess significance of project specific greenhouse gas emissions on global climate change during the environmental review process , as required by CEQA . To be determined to have a less-than -significant individual and cumulative impact with regard to GHG emissions , projects must include BPS sufficient to reduce GHG emissions by 29 percent when compared to Business As Usual ( BAU ) GHG emissions . Per the SJVAPCD , BAU is defined as projected emissions for the 2002 -2004 baseline period . Projects which do not achieve a 29 percent reduction from BAU levels with BPS alone are required to quantify additional project-specific reductions demonstrating a combined reduction of 29 percent. Potential mitigation measures may include , but not limited to : on-site renewable energy ( e . g . solar photovoltaic systems ) , electric vehicle charging stations , the use of alternative fueled vehicles , exceeding Title 24 energy efficiency standards , the installation of energy - efficient lighting and control systems , the installation of energy - efficient mechanical systems , the installation of drought-tolerant landscaping , efficient irrigation systems , and the use of low-flow plumbing fixtures . It should be noted that neither the SJVAPCD nor the County provide projecNevel thresholds for construction -related GHG emissions . Construction GHG emissions are a one -time release and are , therefore , not typically expected to generate a significant contribution to global climate change . 15