1. Ritchie H, Roser M. CO2 and greenhouse gas emissions. 2019. [cited 2020 7th June]; Available from: https://ourworldindata.org/co2-and-other-greenhouse-gas-emissions.
2. IEA. Global energy & CO2 status report 2019. 2019; Available from: https://www.iea.org/reports/global-energy-and-co2-status-report-2019.
3. IPCC. Global warming of 1.5°C: Headline statements from the summary for policy makers. 2018. [p.1]. Available from: https://www.ipcc.ch/site/assets/uploads/sites/2/2019/06/SR15_Headline-statements.pdf.
4. UNFCCC. The Paris Agreement. 2019. [cited 2019 31st Jan]; Available from: https://unfccc.int/process/the-paris-agreement/what-is-the-paris-agreement.
5. UNEP. Emissions Gap Report 2019. 2019. [p.13]. Available from: http://www.unenvironment.org/emissionsgap.