Harri Lammi
hlammi.bsky.social
Harri Lammi
@hlammi.bsky.social
Head of Environmental Projects, TAH Foundation, Finland. Personal account.
Reposted by Harri Lammi
Clinker production, the main ingredient in cement, is the primary source of CO2 in cement manufacturing.

By replacing clinker with other materials like fly ash, slag, or other industrial byproducts, the need for this energy-intensive and carbon-releasing process is significantly decreased.
November 27, 2025 at 10:28 AM
Reposted by Harri Lammi
The video on his YT channel is subtitled in case anyone’s still searching. I just watched it. 💔

youtu.be/n0e4FnnIX7s
Звернення Володимира Зеленського до українського народу
YouTube video by Офіс Президента України
youtu.be
November 21, 2025 at 3:37 PM