There is a crossroads in Texas. Down along the Mexican border, in a four-county area, sits the Lower Rio Grande Valley—a merger of tropics and subtropics.
Volume 26, No.3, Fall 2008
The haze hanging over Beijing made the headlines as athletes and visitors gathered for the 2008 Summer Olympics. China’s efforts to reduce pollution during the 17-day festival
were notable, but what happens after the athletes go home?