Frequently Asked Questions

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  • EPA’s Toxic Release Inventory is a database containing data on disposal or other releases of over 600 toxic chemicals from thousands of U.S. facilities and information about how facilities manage those chemicals through recycling, energy recovery, and treatment.
  • EPA’s National Emissions Inventory is a comprehensive and detailed estimate of air emissions of both Criteria and Hazardous air pollutants from all air emissions sources.

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Greenhouse gas emissions do not have direct adverse effects on human health like other air pollutants such as mercury or fine particulates. Instead, GHGs contribute to global warming causing the Earth’s climate to change which in turn endangers human health and welfare. For example, a warmer climate will increase the risk of heat-related illnesses and death, and will worsen conditions for air pollution. For more information, visit httphttps://wwwwww3.epa.gov/climatechange/impacts-adaptation/.

Why does the reporting tool show dashes for some of the data?

A limited amount of the data EPA received through the GHG Reporting Program is not available to the public due to confidentiality requirements. EPA has determined which data elements required to be reported are deemed confidential business information. EPA is not able to share this confidential business information with the public. For more information on these determinations, please visit httphttps://www.epa.gov/ghgreporting/reporters/cbi/index.htmlconfidential-business-information-ghg-reporting.

What can a facility do to reduce its GHG emissions?

Options for reducing emissions will vary based on the type of facility, the type of emissions, and even the kind of equipment the facility is using. EPA provides technical support for a number of industry types to reduce GHG emissions through a variety of technical assistance and partnership programs .

Can I obtain the raw GHG data file?

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What do the quantities of GHG emissions mean in everyday terms?

EPA’s greenhouse gas equivalencies calculator can help you translate GHG emissions measurements into easily understood concrete terms, such as "equivalent to avoiding the carbon dioxide emissions of 183,000 cars annually." Note that the GHG Reporting Program provides emissions information in metric tons of CO2 equivalent, so be sure to select metric tons when using the equivalency calculator.

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This web site is maintained by a contractor to the U.S. Environmental Protection Agency (RY2023.R.01)