500
The total amount of greenhouse gases that are emitted into the atmosphere each year by a person, family, building, organization, or company. A person's carbon footprint includes greenhouse gas emissions from fuel that an individual burns directly, such as by heating a home or riding in a car. It also includes greenhouse gases that come from producing the good or services that individuals use, including emissions from power plants that make electricity, factories that make products, and landfills where trash gets sent.
What is a carbon footprint?