Mongabay: Ahead of next week’s climate meeting in Poznań, Poland, the Global Canopy Programme — an alliance of 37 scientific institutions in 19 countries — has launched a layman’s guide to a proposed mechanism for cutting greenhouse gas emissions by reducing deforestation. Deforestation and land use change accounts for roughly 20 percent of global greenhouse gas emissions — a larger share than all the world’s cars, trucks, ships, and airplanes combined. The guide, titled The Little …