They are not yet mandatory, but these life-cycle analysis and assessments are being used to study the use of wood in the buildings, and so far all the results are fairly favourable when combined with other green building solutions such as geothermal heating of houses, solar energy and so on.
Jusqu'ici, tous les résultats sont plutôt favorables si on les marie à d'autres solutions écologiques, comme le chauffage géothermique des maisons ou l'énergie solaire.