| Source | Billion Tonnes pa | Reference |
| Paper | 0.01 | https://thundersaidenergy.com/downloads/global-wood-production-supply-by-country-by-year/#:~:text=Global%20wood%20production%20is%204bn%20m3%20per%20year,as%2090%25%20in%20the%20world%27s%20least%20developed%20countries. |
| Fuel wood | 0.02 | |
| Long lasting timber products | 0.22 | |
| Sewage + food waste | 0.07 | https://www.livescience.com/61966-how-much-you-poop-in-lifetime.html & BBC news 4 mar 2021, UN, WWF |
| Agricultural waste | 0.73 | https://www.sciencedirect.com/topics/earth-and-planetary-sciences/agricultural-waste#chapters-articles |
| Biomass potential | 0.82 | https://worldpopulationreview.com/country-rankings/biomass-energy-by-country |
| Fossil fuel and industry | 37.15 | https://ourworldindata.org/co2-emissions#:~:text=Who%20emits%20the%20most%20CO2%20each%20year?%20In%20the |