National Geographic : 2003 May
Trekking pays, but it also costs. Newfound income enables some parents to send their children to boarding schools like Mt. Kailash in Kathmandu (below). But Sherpas must now contend with litter, erosion, and forest degradation caused by the demand for fuelwood and lumber. Many are working hard to address the environ mental toll, with reforestation projects (bottom) and periodic trash cleanups in villages and along the trails.