The National Parks reached their centennial facing myriad challenges that threaten their next 100 years, ranging from climate change, funding woes and even a lack of diversity in park visitation and workforce. This episode of West Obsessed features a discussion of those issues, recently covered in a special issue of High Country News. Brian Calvert, managing editor of the magazine, moderates a discussion with Jodi Peterson, senior editor, and Glenn Nelson, contributing editor.