A U.S. Forest Service study stresses the economic importance of urban canopies, which already provide a big health value.

For the first time in history, more than 50 percent of the world’s population now lives in towns and cities. By 2050, this number is expected to increase to 66 percent. The shift from rural to urban areas, mainly in Africa and Asia, is due to poverty and related socio-economic factors.   For the most part, the rapid expansion of cities [...]

This summer, students are spending 8 weeks conserving nature in hands-on environmental internships in NY and Philadelphia for The Nature Conservancy’s Healthy Trees, Healthy Cities initiative.