Top officials from more than 35 nations covering the world’s three major rainforest regions will gather at a United Nations-backed conference next month to discuss the common challenges faced by the Top officials from more than 35 nations covering the world’s three major rainforest regions will gather at a United Nations-backed conference next month to discuss the common challenges faced by these vital ecosystems that support more than a billion people. The aim of the Summit of Heads of State and Government of the Amazon, Congo, and Borneo-Mekong Forest Basins is to achieve a plan for the sustainable management of forest ecosystems in the three basins.