SCAQMD South Coast Air Quality Management District, Los Angeles, U.S.

SCE Southern California Edison, U.S.

SCIO State Council Information Office, China

SCR Selective Catalytic Reduction NOx removal

SCRAM Support Center for Regulatory Monitoring, U.S.

SEPA State Environmental Protection Agency, China

SERC State Electricity Regulatory Commission, China

SERRF Southeast Resource Recovery Facility, California, U.S.

SETC State Economic and Trade Commission, China

SIP State Implementation Plan, U.S.

SLAMS State and Local Air Monitoring Stations, U.S.

SNCR Selective Non-Catalytic Reduction

SO2 Sulfur Dioxide

SO42− Sulfate

SoCAB South Coast Air Basin, Los Angeles and surrounding cities, U.S.

STN Speciation Trends Network, U.S.

SUV Sports Utility Vehicle

TOD Transit-Oriented Development

TSP Total Suspended Particulate, particles with aerodynamic diameters ~<30 µm

UCS Union of Concerned Scientists

UN United Nations

UNCHE United Nations Conference on the Human Environment

UNDP United Nations Development Programme

UNEP United Nations Environment Programme

UP Ultrafine Particles with aerodynamic diameters < 0.1 µm

U.S. United States

USC Ultra SuperCritical coal combustion

USC United Smoke Council, U.S.

USDA Department of Agriculture, U.S.

USFS Forest Service, U.S.

USGS Geological Survey, U.S.

VMT Vehicle Miles Traveled

VOC Volatile Organic Compound

WHO World Health Organization

WRAP Western Regional Air Partnership, U.S.

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