Ü
The carbon dioxide assimilated by the trees during growth is returned when we produce heat or electricity from bio-fuels.
The CO₂ impact is thereby zero.

     Ý
The hardened ash is spread in the forest and thus the nutrients are recycled to the forests.

                     Ý

Ü

Û
 

    Þ
Wood or harvest residues is harvested from the forest.
    Þ

Chips is burned in a thermal plant where they take respons-ibility for the environment and want to maintain a sustainable forest.
 
    Þ
The ash produced during the combustion is collected, stored, and hardened.

    Û