Well yes, this carbon dioxide emitted during cement production is the problem : if we could manufacture cement using solar power and capturing CO2 it wouldn’t be such a big problem.
Anyway, my comment was more about rock and not about cement. … and I agree with you that it’s important to keep people interested in fighting bad dangerous products of human activity.
It is necessary for people to visualise these human impacts because, for example, concrete is the most destructive material on Earth
from your link :
Well yes, this carbon dioxide emitted during cement production is the problem : if we could manufacture cement using solar power and capturing CO2 it wouldn’t be such a big problem.
Anyway, my comment was more about rock and not about cement. … and I agree with you that it’s important to keep people interested in fighting bad dangerous products of human activity.