"We also know that the increased Carbon Dioxide content has contributed to global greening and to the increased production of food crops."

https://edreid.substack.com/p/what-we-dont-know?utm_source=post-email-title&publication_id=1038574&post_id=214567573&utm_campaign=email-post-title&isFreemail=true&r=gnoul&triedRedirect=true&utm_medium=email