I hope you noticed your quote specifically says correlated.<p>Also, you&#x27;re presenting an argument that has actually been looked at for decades in the literature, which would be evident from a leisurely google scholar search of terms such as: climate change, CO2, respiration, net ecosystem production, terrestrial vegetation, food supply, etc.<p>I&#x27;ve attempted to grab some links to papers that seem to be publicly available. [5] is a review from the Royal Society, and [3] is straight out of Science if you care about credentials.<p>2001. [1] <a href="http:&#x2F;&#x2F;onlinelibrary.wiley.com&#x2F;doi&#x2F;10.1046&#x2F;j.1365-2486.2001.00383.x&#x2F;pdf" rel="nofollow">http:&#x2F;&#x2F;onlinelibrary.wiley.com&#x2F;doi&#x2F;10.1046&#x2F;j.1365-2486.2001....</a><p>1994. [2] <a href="http:&#x2F;&#x2F;ecoethics.net&#x2F;cyprus-institute.us&#x2F;PDF&#x2F;Rosensweig-Food-Supply.pdf" rel="nofollow">http:&#x2F;&#x2F;ecoethics.net&#x2F;cyprus-institute.us&#x2F;PDF&#x2F;Rosensweig-Food...</a><p>2006. [3] <a href="http:&#x2F;&#x2F;naldc.nal.usda.gov&#x2F;download&#x2F;26790&#x2F;PDF" rel="nofollow">http:&#x2F;&#x2F;naldc.nal.usda.gov&#x2F;download&#x2F;26790&#x2F;PDF</a><p>2004. [4] <a href="http:&#x2F;&#x2F;www.preventionweb.net&#x2F;files&#x2F;1090_foodproduction.pdf" rel="nofollow">http:&#x2F;&#x2F;www.preventionweb.net&#x2F;files&#x2F;1090_foodproduction.pdf</a><p>2005. [5] <a href="http:&#x2F;&#x2F;rstb.royalsocietypublishing.org&#x2F;content&#x2F;royptb&#x2F;360&#x2F;1463&#x2F;2125.full.pdf" rel="nofollow">http:&#x2F;&#x2F;rstb.royalsocietypublishing.org&#x2F;content&#x2F;royptb&#x2F;360&#x2F;14...</a>