On Thursday, May 18th the Sierra Club hosted it’s 125th Anniversary Trail Blazer Ball at Palace of Fine Arts Theatre. The event honorees include Shailene Woodley, Michael Bloomberg, LaDonna Brave Bull Allard and Yong Jung Cho. This year’s gala celebrated the Sierra Club’s historic work at the federal, state and local level to protect millions of acres of wild America and accelerate the goal of bringing 100% clean energy economy. Notable attendees included Shailene Woodley, Michael R. Bloomberg, Jack Dorsey, Darren Aronofsky, Thomas Middleditch-Emcee, David E. Kelley, Michelle Pfeiffer, and Kristi Yamaguchi.

Photos by Drew Altizer