Christiana Figueres

Expert on Global Climate Change; Former Executive Secretary of the UN Framework Convention on Climate Change

Maggie Q

TV & Film Actress, Known for Lead Role in CW's "Nikita"

Lisa Edelstein

Actress, Director, Writer & Producer

Denise Richards

Actress, Former Fashion Model & Reality Star on Bravo's "The Real Housewives of Beverly Hills"

Dennis Dimick

Former Executive Environment Editor at National Geographic Magazine

Hayden Panettiere

Actress Known for "Nashville" & "Heroes" & Animal Rights Activist

Portia de Rossi

Actress, Known for"Ally McBeal" & "Arrested Development."

Howard G. Buffett

Businessman, Philanthropist & Elder Son of Warren Buffet

Mena Suvari

Actress Known for "American Beauty" & Author of "The Great Peace: A Memoir"

Yao Ming

President of Chinese Basketball Association, NBA Hall-of-Famer & Founder of the Yao Family Wines

Yao Ming's 2016 Hall of Fame Induction Speech

Kesha

Pop Singer Known For "Tik Tok," "Your Love Is My Drug" & "Praying"

Leona Lewis

Singer, Songwriter & Animal Welfare Activist; Best Known for "Bleeding Love"

Pamela Anderson

Actress, Model, Producer & Animal Rights Advocate

Jason Biggs

Actor Known For His Roles in the "American Pie" Series and on "Orange Is The New Black" Among Others

Neko Case

Neko Case is an American singer-songwriter, best known for her solo career and her contributions as a member of the Canadian indie rock group The New Pornographers

Kristin Davis

Actress Best Known for her Role as Charlotte on "Sex & the City"

Mark Ruffalo

Actor, Director, Producer, Screenwriter & Environmental Activist

Sarah McLachlan

Singer-Songwriter & Activist

Pink

Singer-Songwriter, Actress, Philanthropist & Environmental Activist

Timothy Dalton

Actor Best Known for Portraying James Bond in The Living Daylights and Licence to Kill