We project the future of tropical deforestation from 2016-2050 with and without carbon pricing policies, based on 18 million observations of historical forest loss spanning 101 tropical countries. Our spatial projections of future deforestation incorporate topography, accessibility, protected...

Offsets lower the cost of cap-and-trade programs but must be considered imperfect if they cannot exclude “non-additional” emissions reductions or sequestration gains that would have occurred in their absence. Non-additionality can be addressed by requiring project-level additionality tests,...