Additionally, increased photosynthetic yield on some staple crops may not necessarily be the win that some people suggest it might be. While this is an area not yet very well studied, a number of papers have raised concerns regarding the nutritional quality of the resulting crops. Humans, after all, do not survive on a diet of exclusively carbohydrates.
See for example, Ebi, Kristie L., and Irakli Loladze. "[Elevated atmospheric CO2 concentrations and climate change will affect our food's quality and quantity.](https://doi.org/10.1016/S2542-5196(19)30108-1)" The Lancet Planetary Health 3, no. 7 (2019): e283-e284.
See for example, Ebi, Kristie L., and Irakli Loladze. "[Elevated atmospheric CO2 concentrations and climate change will affect our food's quality and quantity.](https://doi.org/10.1016/S2542-5196(19)30108-1)" The Lancet Planetary Health 3, no. 7 (2019): e283-e284.