The large leaves of the aguaje, a tropical palm tree that grows in the peatlands and other seasonal wetland areas in tropical ...

The Tamaulipan thorn forest once covered 1 million acres on both sides of the US-Mexico border. Restoring even a fraction of it could help the region cope with the ravages of a warming world.

Just 1.5 hours from the city of Bend, tucked away in Eastern Oregon, is the John Day Fossil Beds National Monument.