Living on earth: GELLERMAN: It’s Living on Earth, I’m Steve Curwood – and I’m Bruce Gellerman. GELLERMAN: REDD…spelled R-E-D-D …. is the new green. REDD stands for Reducing Emissions from Deforestation and Degradation. It’s a UN proposal to mitigate climate change by preserving the world’s tropical forests. CURWOOD: Tropical trees store vast amounts of carbon – but each year wide swaths of forests are cut down or burned, releasing more greenhouse gases into the environment than all …