Is CO2 Plant Food?

Whenever I debate this topic, this comment inevitably comes up. Hopefully this gives you the means to argue against it.
In a nutshell extra biomass is meanless if your plants are dying from heat stress.
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References
1. Tissue, D., Megonigal, P. & Thomas, R. Nitrogenase activity and N2 fixation are stimulated by elevated CO2 in a tropical N2-fixing tree. Oecologia 109, 28-33 (1996).
2. Kimball, B. A. et al. Elevated CO2, drought and soil nitrogen effects on wheat grain quality. New Phytologist 150, 295-303 (2001).
3. Piao, S. et al. Characteristics, drivers and feedbacks of global greening. Nat Rev Earth Environ 1, 14-27 (2019).
4. Vilà, M. et al. Understanding the combined impacts of weeds and climate change on crops. Environ. Res. Lett. 16, 034043 (2021).
5. Lobell, D. B. & Gourdji, S. M. The Influence of Climate Change on Global Crop Productivity. Plant Physiology 160, 1686-1697 (2012).
6. Kang, Y., Khan, S. & Ma, X. Climate change impacts on crop yield, crop water productivity and food security - A review. Progress in Natural Science 19, 1665-1674 (2009).
7. Chapter 5: Food, Fibre and Other Ecosystem Products. www.ipcc.ch/report/ar6/wg2/ch....
8. Crop statistics | Alberta.ca. www.alberta.ca/crop-statistics (2024).
9. Government of Canada, S. C. The Daily - Production of principal field crops, November 2023. www150.statcan.gc.ca/n1/daily... (2023).
10. Coulter, B. Alberta potato production booming despite recent drought conditions. CBC News (2024).
11. Very Hot Days (+30°C) | Alberta-ICCON | Climate Atlas of Canada. climateatlas.ca/map/Alberta/p....
12. Ritchie, H., Rosado, P. & Roser, M. Which countries have put a price on carbon? Our World in Data (2024).

[@HiccupB]

Sassy Data Dork! We love to see it

[@Decarbonize11]

I like the way you do references. I might try that.

[@theshi3152]

Best Video yet!

[@reweiv]

nice vid! two questions