Faced with direct and indirect pressures from humanity, what will future forests look like? How much do we need them, and what would a world without forests look like? Human pressure on forests has never been so strong. In light of the dangers threatening these ecosystems, what will they look like by the end of the century? Will some forests disappear? What would be the consequences? How can we meet current populations' needs without depriving future generations of the invaluable benefits forests provide for us?