A new deal inked at the United Nations climate talks in Mexico paves the way for rewarding nations for maintaining their forests. A central facet of the agreement, which puts the protection of trees at the vanguard of climate negotiations, is a call for developing countries to begin calculating national totals for emissions from forest loss and to adopt systems to begin monitoring deforestation.

http://www.edf.org/documents/11539_Cancun_REDD_ScienceMag_121710.pdf