@KenJansen1 @GeraldKutney 1/12》Gerald Kutney @GeraldKutney, listen to Ken Jansen @KenJansen1. He is right: you got the color wrong. CO2 should be represented with the color green, since the rise in atmospheric CO2 level is greening the world.
@KenJansen1 @GeraldKutney 2/12》It's measurable from satellites:
sealevel.info/learnmore.html…
@KenJansen1 @GeraldKutney 3/12》Here's a NASA video about how CO2 is greening much of the Earth:
@KenJansen1 @GeraldKutney 4/12》Here's a paper about it:
Zhu, Z Piao, S, Myneni, RB, et al (2016). Greening of the Earth and its drivers. Nature Climate Change, 6(8), 791–795.
doi.org/10.1038/nclima…
@KenJansen1 @GeraldKutney 5/12》Another:
Dayaratna, K.D., McKitrick, R. & Michaels, P.J. Climate sensitivity, agricultural productivity and the social cost of carbon in FUND. Environ Econ Policy Stud 22, 433–448 (2020). doi:10.1007/s10018-020-00263-w
doi.org/10.1007/s10018…
@KenJansen1 @GeraldKutney 6/12》Another:
Uddin S, Löw M, Parvin S, Fitzgerald GJ, Tausz-Posch S, Armstrong R, et al. Elevated [CO2] mitigates the effect of surface drought by stimulating root growth to access sub-soil water. PLoS One. 2018 Jun 14;13(6):e0198928.
doi.org/10.1371/journa…
@KenJansen1 @GeraldKutney 7/12》Another:
Donohue, RJ, Roderick, ML, McVicar, TR, and Farquhar, GD (2013), Impact of CO2 fertilization on maximum foliage cover across the globe's warm, arid environments, Geophys. Res. Lett., 40, 3031–3035.
doi.org/10.1002/grl.50…
@KenJansen1 @GeraldKutney 8/12》Another:
Fitzgerald GJ, et al. Elevated atmospheric [CO2] can dramatically increase wheat yields in semi-arid environments and buffer against heat waves. Glob Chang Biol. 2016 Jun;22(6):2269-84. Glob Chang Biol. 2016 Jun;22(6):2269-84.
ncbi.nlm.nih.gov/pubmed/26929390
@KenJansen1 @GeraldKutney 9/12》Another:
O'Leary GJ, et al. Response of wheat growth, grain yield and water use to elevated CO2 under a Free-Air CO2 Enrichment (FACE) experiment and modelling in a semi-arid environment. Glob Chang Biol. 2015 Jul;21(7):2670-2686.
doi.org/10.1111/gcb.12…
@KenJansen1 @GeraldKutney 10/12》Another:
Loehle, C., Idso, C., & Bently Wigley, T. (2016). Physiological and ecological factors influencing recent trends in United States forest health responses to climate change. Forest Ecology and Management, 363, 179–189.
doi.org/10.1016/j.fore…
@KenJansen1 @GeraldKutney 11/12》The value of additional CO2 for agriculture is long-settled science. Studies measuring it go back >100 years; e.g.:
Gradenwitz A. Carbonic Acid Gas to Fertilize the Air. Scientific American, Nov 27, 1920. doi:10.1038/scientificamerican11271920-549
sealevel.info/ScientificAmer…
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