Carbon Positive: This 92-page report is the thesis of Master of Science student Paulo Lopes in the Centre of Environment Policy at Imperial College London, released in September 2009. The author’s aim is to provide a tool for voluntary carbon credit buyers to identify the most appropriate forestry carbon credit for their purposes. The report adds to a useful body of work now available comparing and analysing the sometimes confusing array of third-party standards that have merged to deliver credibility …