Carbon Positive: The forest carbon market is now two decades old but the bulk of its 20-million-tonne contribution to carbon sequestration and emissions reduction has come in the last three years – despite the global financial crisis and recession. This picture emerges from the ‘State of the Forest Carbon Markets’ report released by Ecosystem Marketplace (ESM) this week. Its landmark report appears the best attempt yet at a comprehensive estimate of the volumes and value in the forest carbon sector …