Sylvia Acevedo

Engineer, Rocket Scientist & Technology Leader; Inspirational Speaker; Corporate Director at Qualcomm; Former CEO of Girl Scouts USA

How Sylvia Acevedo Defied Barriers to Become Girl Scout CEO

Dr. Michio Kaku

World-Renowned Futurist & Theoretical Physicist

Amali Tower

Climate Displacement, Migration & Refugee Expert; Founder of Climate Refugees

Q&A: Amali Tower on Climate Migration and 'Evolution Earth'

Alice Waters

Executive Chef, Founder & Owner of Chez Panisse; Sustainable Agriculture Advocate

Alexandra Cousteau

Environmental Activist, Storyteller & Ocean Advocate

Ayana Elizabeth Johnson

Marine Biologist, Conservation Strategist, Founder & CEO of Ocean Collectiv

What If We Get It Right?: Visions of Climate Futures

Ellen DeGeneres

Award-Winning Comedian, TV Host, Actress & LGBTQ Activist

Sophia Bush

Actress, Humanitarian & Author

Winona LaDuke

Executive Director of Honor the Earth

Tim Gunn

Fashion Icon, Former Co-Host & Mentor of "Project Runway"

Robert Ballard

Renowned Ocean Explorer & Scientist

Rachael Ray

Chef, Cookbook Author & Television Host Known for the "Rachael Ray Show"

Pia Heidenmark Cook

Sustainability & Business Transformation Expert; Former CSO of Ingka Group (IKEA)

Mona Das

Former Washington State Senator Focused on Environmental Justice

Kehkashan Basu

Forbes 30 under 30, United Nations Human Rights Champion, National Geographic Young Explorer & Founder-President of Green Hope Foundation

Mark Ruffalo

Actor, Director, Producer, Screenwriter & Environmental Activist

Laura Dern

Actress, Director, Producer & Activist

Tamron Hall

Award-Winning Journalist; Former National News Anchor for NBC News; Host of the "Tamron Hall Show"

Watch Where They Hide

Diva Amon

Star of "Welcome to Earth" on Disney+; Caribbean Marine Biologist & 2022 Pew Fellow

Leland Melvin

Engineer, Former NASA Astronaut & Former NFL Wide Receiver