San Francisco's 2015 greenhouse gas emissions are 28% below 1990 levels.
Between 1990 and 2015, San Francisco’s carbon footprint was reduced by 28% while population increased 19.5% and the GDP (gross domestic product) increased 78%. The City's progress towards its climate goals proves it is possible to reduce greenhouse gas emissions while growing the economy.
The majority of San Francisco’s emissions are from electricity and natural gas used in buildings and fuel used in cars and trucks. The remaining emissions are from the landfilling of organic waste and municipal operations.
Mayor Lee Announces San Francisco Exceeds New Greenhouse Gas Emissions Reduction Milestone (SF Mayor's Office)
Carbon Footprint Calculator (California Air Resources Board)
About the GHG Emissions Data - San Francisco's estimated greenhouse gas emissions are based on international protocols which specify that inventories include those emissions generated within city boundaries. These numbers do not account for the full lifecyle emissions of goods and services consumed within the city.