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.
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.