Interview: Sammy Roth on Water in the Southwest
As the American West suffers from warmer temps & in some places desertification, water has become the most hotly debated environmental topic in the region.
As the American West suffers from warmer temps & in some places desertification, water has become the most hotly debated environmental topic in the region.
Dear EarthTalk: What is the Great Green Wall of China? —Jacob Williston, Tempe, AZ Unlike the Great Wall of China, a 5,000-mile fortification dating back to the 7th century BC that separates northern China from the Mongolian steppe, the Great Green Wall of China — otherwise known as the Three-North Shelter Forest Program — […]