Why all the fuss about lowering carbon dioxide in the environment

I recall posting a blog several years ago on the photosynthesis reaction where CO2 in the presence of water and energy (photons) from sunlight is converted to oxygen and glucose- 2 products that the human body cannot make and are therefore classified as essential nutrients.
I still recall the experiment from my 3rd year Honours botany class- a class that I took from Dr. William Leach at the U OF MANITOBA in 1947. This course was one from the 5 year honours program from the university of Manitoba in both combined Botany and Zoology . In this experiment we followed the method outlined by Leach and Stiles in their small book on photosynthesis. At that time the U. of Manitoba had on staff internationally recognized professors. (Names like Buller,Wardle) In the experiment I recall observing bubbles of O2 into a beaker which had some green plants and a source of CO2!- a procedure nature produces with its algae blooms on our lakes.
If we remove CO2 from our atmosphere the trees would not produce glucose which when polymerized in plants becomes our lumbar,or in our garden plants the starchy potato tutors, tomatoes, wheat etc.
Where would we get out supply of oxygen if there was no CO2 in our atmosphere? Have I missed something in this argument?

Author: Semeon Hrushovetz

Retired Physician, Researcher, Lifelong Learner. Promoting healthy aging and life extension. Visit www.docsam.ca or check my previous sites: blog: http://docSamblog.blogspot.ca website: https://docsam.ca/sbh-website/Welcome.html

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