With traditional tonewoods such as rosewood and even spruce under threat, many guitar makers are seriously concerned about the future. In our 16-page special report cover feature, we explore the challenges that top luthiers are facing as they try to safeguard forests and create a new generation of planet-friendly guitars. With advice on best-buy sustainable guitars and expert insights from Taylor, Martin and a host of independent luthiers, this is the perfect introduction to the future of guitar making in a world of scarcity. Elsewhere in this packed issue, we take a flat-picking lesson with acoustic phenomenon Molly Tuttle, talk acoustics with indie noise-nik J Mascis and review a rafte of the finest new acoustic guitars to hit the market.