New video loaded: The decline of America's largest environmental organization
Investigative reporter David A. Fahrenhold describes the struggles of the Sierra Club, one of the nation's largest environmental organizations. The group has lost about 60 percent of its supporters since 2020.
Written by David A. Fahrenhold, Leila Medina, Karen Hanley, Laura Bult, Joey Cendediego, Christina Thornell, Zach Wood, and John Miller
November 7, 2025
