What our ancestors called a wasteland, we now know is the last great treasure in the continental United States-the blazing heart of the Sonoran desert, the lushest badland of them all. Now, on both sides of the U.S. and the Mexican border are activities designed to protect the Sonoran desert. The opportunity is simple: in an effort to save this area for generations to come, there is a proposal to create the Sonoran Desert National Park. It will be the greatest transnational biological reserve on earth, a pa