References 1. Climate Change: Vital Signs of the Planet (NASA, 2021); https://climate.nasa.gov/vital-signs/carbon-dioxide 2. Kimball, B. A. Crop responses to elevated CO2 and interactions with H2O, N, and temperature. Curr. Opin. Plant Biol. 31, 36–43 (2016). CAS Article Google Scholar 3. Leakey, A. D. B. et al. Elevated CO2 effects on plant carbon, nitrogen, and water relations: six important lessons from FACE. J. Exp. Bot. 60, 2859–2876 (2009). CAS Article Google Scholar 4. Lee, T. D., Barrott, S. H. & Reich, P. B.
