When Mountain Lions Are Neighbors: People and Wildlife Working It Out in California

Wildness beats in the heart of California's urban areas. In Los Angeles, residents are rallying to build one of the largest wildlife crossings in the world because of the plight of one lonely mountain lion named P-22. Porpoises cavort in San Francisco Bay again because of a grassroots effort to clean up a waterway that was once a toxic mess. And on the Facebook campus in Silicon Valley, Mark Zuckerberg and his staff have provided a home for an endearing family of wild gray foxes. Through ac...