- Climat Change Division, Office of Atmospheric Programs. Sources of Greenhouse Gas Emissions. Overviews and Factsheets, US Environmental Protection Agency (EPA), 29 Dec. 2015, https://www.epa.gov/ghgemissions/sources-greenhouse-gas-emissions.
- Greenhouse Gas Protocol: Corporate Value Chain (Scope 3) Accounting and Reporting Standard : Supplement to the GHG Protocol Corporate Accounting and Reporting Standard.. World Resources Institute ; World Business Council for Sustainable Development, 2011. Open WorldCat, https://ghgprotocol.org/standards/scope-3-standard.
- Sector by Sector: Where Do Global Greenhouse Gas Emissions Come From?. 18 Sept. 2020, https://ourworldindata.org/ghg-emissions-by-sector.
- US EPA, OAR. Global Greenhouse Gas Emissions Data. 12 Jan. 2016, https://www.epa.gov/ghgemissions/global-greenhouse-gas-emissions-data.