Alex Honnold's epic free-solo ascents have given him a stardom that the climbing world has never before seen. While continuing to push the boundaries of the sport, Honnold has also made use of his celebrity off-the-wall, founding an environmental nonprofit called the Honnold Foundation in 2012, and becoming an outspoken environmentalist. Given the heightened political climate over global warming and public land policy, we talked to Honnold last week about the perils of being an opinionated athlete, the power of the outdoor industry's lobby, and the moral obligations all humans have to the environment.