Untrammeled. No, that's not a typo. We don't mean untrampled.Wilderness areas are supposed to remain free from human intervention unless absolutely necessary. But in a world where every part of the planet is affected by climate change, how do we decide when to intervene? We're heading off-trail in Sequoia National Park with land managers and environmentalists who are at odds. Learn more about sponsor message choices: podcastchoices.com/adchoices NPR Privacy Policy