1. Statista. Greenhouse gas emissions produced by oil and gas facilities in the United States from 2011 to 2020. https://www.statista.com/statistics/615975/ghg-emissions-emitted-by-oil-and-gas-facilities-in-the-us/#:∼:text=Oil%20and%20gas%20facilities%20in%20the%20United%20States%20produced%20316,compared%20with%20the%20previous%20year. Last accessed on 2nd January 2023.
2. Statista. Carbon dioxide (CO2) emissions from crude petroleum and natural gas extraction in the United Kingdom from 1990 to 2020 . Last accessed on 2nd January 2023.
3. Statista. Annual greenhouse gas emissions in the United States from 1990 to 2020 https://www.statista.com/statistics/517376/us-greenhouse-gas-emissions/ Last accessed on 2nd January, 2023.
4. Statista. Carbon Dioxide emissions in the United Kingdom (UK) from 1990 to 2020. https://www.statista.com/statistics/449503/co2-emissions-united-kingdom-uk/. Last accessed on 2nd January 2023.
5. Statistics Norway. Emissions to air 2021. https://www.ssb.no/en/natur-og-miljo/miljoregnskap/statistikk/utslipp-fra-norsk-okonomisk-aktivitet Last accessed on 2nd January, 2023.