A sun-swept corner of the Painted Desert draws more than 600,000 visitors each year. While most come to see one of the world's largest concentrations of brilliantly colored petrified wood ...
The McDowell Sonoran Preserve is a sprawling natural sanctuary showcasing the Sonoran Desert's rugged beauty. Spanning more than 30,000 acres, this preserve is one of the largest urban preserves in ...
We study the causes of “nutritional inequality”: why the wealthy eat more healthfully than the poor in the United States. Exploiting supermarket ... such as “food deserts,” could play an important ...