According to the U.S. Environmental Protection Agency (EPA), existing buildings are one of the biggest contributors to environmental pollution in the U.S., accounting for about 40 percent of total energy use, 72 percent of electricity consumption, 39 percent of carbon dioxide emissions, and 13 percent of total water consumption.
The city’s annual greenhouse gas emissions report finds that buildings and transportation account for most of the greenhouse gas emissions community-wide and in government operations. The greatest source of emissions was grid-supplied electricity, responsible for an average of 76.8% of the emissions from government buildings, facilities and operations.
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