“The stewardship and use of forests and forest lands in a way, and at a rate, that maintains their biological diversity, productivity, regeneration capacity, vitality and their potential to fulfill, now and in the future, relevant ecological economic and social functions, at local, national and global levels, and that does not cause damage on other ecosystems.”

Source: “Resolution H1: General Guidelines for the Sustainable Management of Forests in Europe.” Second Ministerial Conference on the Protection of Forests in Europe, Helsinki, Finland, June 16–17, 1993. https://www.foresteurope.org/docs/MC/MC_helsinki_resolutionH1.pdf.