You are underestimating how much co2 is released during ciment production and overestimating what is released by powering datancenters.

In 2024, datancenter have consumed 1% of the total worldwide electricity production and are responsible for 0.5% of the co2 emissions.¹

1- https://www.carbonbrief.org/ai-five-charts-that-put-data-cen...

cement is responsible for 8% I heard