1. CO2 and Greenhouse Gas Emissions
https://ourworldindata.org/co2-and-other-greenhouse-gas-emissions
2. Greenhouse Gas Emissions from Energy: Overview, International Energy Agency,2021
3. Fourth IMO Greenhouse Gas Study;IMO,2021
4. Maritime Forecast to 2050, Energy Transition Outlook 2021,2021
5. A Pathway to Decarbonise the Shipping Sector by 2050,2021