Mountain pine beetles, an invasive fungus, and climate change—is whitebark pine doomed?
The Glacier Conservancy: https://glacier.org/ Whitebark Pine Ecosystem Foundation: https://whitebarkfound.org/ American Chestnut book: https://www.ucpress.edu/book/9780520259942/american-chestnut Documentary about Ranger Doug: https://www.instagram.com/rangerdougfilm/ Pictures of whitebark pine: https://flic.kr/s/aHsmWJ2S4F Ben Cosgrove Music: https://www.bencosgrove.com/