sentences:  Deforestation, global warming and other environmental concerns have increasingly affected the availability and sustainability of forest products, as well as the economies of regions dependent upon forestry around the world.In recent years, the idea of sustainable forestry, which aims to preserve crop yields without causing irreversible damage to ecosystem health, has changed the relationship between environmentalists and the forest products industry.Stakeholders in the forest products industry include government departments, commercial enterprises, non-governmental organizations (NGOs), policy-makers and analysts, private and international organizations.