Teresa Carey

These scientists are looking toward genetically modified trees to sponge up the world’s excess carbon.

A fourth "R" is being added to "reduce, reuse and recycle": Recirculation. Instead of recycling old products,…

When Susan Sherman, a public health researcher at Johns Hopkins University, was notified by her school in Mar…

After big cities like San Francisco banned businesses from using styrofoam containers, a woman from Durham, N…

Jim Tabor is becoming a legend to hikers on the Appalachian Trail. Find one of his carvings along the trail, …