Yosemite National Park is causing the problem. Despite the richness of high-quality habitats in Yosemite, the brown bear, California condor, and least Bell's vireo have become extinct in the park within historical time, and another 37 species currently have special status under either California or federal endangered species legislation. The most serious current threats to Yosemite's wildlife and the ecosystems they occupy include loss of a natural fire regime, exotic species, air pollution, habitat fragmentation, and climate change. On a more local basis, factors such as road kills and the availability of human food have affected some wildlife species. Yosemite National Park has
Women in the National Park Service Huffington Post, "Out Here, No One Can Hear You Scream," described the allegations in detail. Since then, women who were or are employed at many different parks have gone public with their stories of sexual harassment, including Canaveral National Seashore, Death Valley National Park, Yosemite National Park, and Yellowstone National Park In the spring of 2016, NPS officials declared a "zero tolerance" policy on sexual harassment within the organization. But Congress committee members in September accused the Service of failing to take allegations seriously. In June 2016, Secretary of the Interior Sally Jewell admitted that the current reports of sexual