1. IRENA.. Renewable power generation costs in 2018; 2018. p. 9.
2. SolarPowerEurope. Global market outlook for solar power 2018–2022; 2018. p. 22.
3. IPCC. Climate change and land: an IPCC special report on climate change, desertification, land degradation, sustainable land management, food security, and greenhouse gas fluxes in terrestrial ecosystems, 2,16, 37; 2019.
4. FAO. Arable land (hectares per person); 2019. Retrieved from https://data.worldbank.org/indicator/AG.LND.ARBL.HA.PC.
5. A safe operating space for humanity;Rockström;Nature,2009