LOS ANGELES — The Sierra Club apologized Wednesday for racist remarks its founder, naturalist John Muir, made more than a century ago as the influential environmental group grapples with a harmful ...

Michael Brune is the sixth executive director in the history of the Sierra Club, which was founded in 1892 by John Muir. Brune joined the influential environmental group in March and applies family ...

The largest grassroots environmental organization in the world doesn’t have the biggest name here in oil-and-gas country, but that’s something a longtime environmental activist hopes will change with ...

The Sierra Club is getting a big boost in its effort to shut down coal-fired power plants. New York Mayor Michael Bloomberg is supporting the... Mayor Bloomberg Donates $50 Million To Sierra Club ...