In the fight to protect the extraordinary biodiversity of Papua New Guinea’s rainforests, some conservationists are collecting a unique set of data: the sounds of the forest. Scientists with The Nature Conservancy (TNC) and Princeton University are using acoustic sampling recorders in the Adelbert Mountains, a remote range on Papua New Guinea’s north coast, to help them assess how effective their local land use planning efforts have been at protecting the region’s wildlife. Subsistence agriculture…