More than half of all tree species in the world's most diverse forest--the Amazon--may be globally threatened, according to a new study. But the study also suggests that Amazonian parks, reserves, and indigenous territories, if properly managed, will protect most of the threatened species.

The findings were announced by a research team comprising 158 researchers from 21 countries, led by Hans ter Steege of Naturalis Biodiversity Center in the Netherlands and Nigel Pitman of The Field Museum in Chicago, USA.

by John Upton

Within the botanical menagerie that makes up the Amazon rainforest, which is so important it’s frequently dubbed the “lungs of the planet,” scientists have pinpointed a small number of tree species that are doing the heaviest breathing as they help to slow global warming.