https://en.wikipedia.org/wiki/Environmental_impact_of_concrete
"The cement industry is one of the two largest producers of carbon dioxide (CO2), creating up to 5% of worldwide man-made emissions of this gas, of which 50% is from the chemical process and 40% from burning fuel."
Another one who is blissfully unaware of how the world got to be the way it is.
Look, I'm done. There is no way to bridge the gap of understanding between us. Educate yourself. Please.
Stick to physics, chemistry, facts, and history. And keep the references to hard ons to zero.
Then get back to us.
Once our little fossil-fueled civilizational experiment comes to a halt, most of us will be, like it or not.