Yosemite National Park has always been a victim of its massive popularity. The more that people visit it, the more this natural wonder is negatively affected by its admirers. The trick is to strike a balance that gives the public access to the crown jewel of the National Parks System while still protecting Yosemite from the "human footprint" of several million tourists, campers and back-country hikers.
http://www.dailybreeze.com/opinions/ci_12903736