Mezzo profiles 36 climate activism speakers, including Dianna Cohen, Roz Savage, and Jim Toomey. Each has a verified gig record.
Together they've given 39 talks across 24 events.
Who are the top climate activism speakers?
36 speakers · showing 1–24
Dianna Cohen
Plastic Pollution Activist | Transforming Waste Into Art
Roz Savage
Ocean Rower & Environmental Advocate | Inspiring Climate Action
Christiana Figueres
UN Climate Champion | Paris Agreement Architect and Climate Action Catalyst
Lewis Pugh
Endurance Swimmer | Environmental Adventurer | UN Patron of the Oceans
Xiye Bastida
Climate Activist | Inspiring Youth-Led Change
Katharine Hamnett CBE
Fashion Designer & Activist | Katharine Hamnett
Lucy von Sturmer
Founder and CEO, CREATIVES FOR CLIMATE | Mobilizing Creatives for Climate Action
Anupam Mishra
Environmental Activist | Preserving Traditional Water Harvesting
Michael Shellenberger
Global Energy & Environment Thinker | Author & Environmentalist
Tara Houska
Indigenous Rights Attorney | Climate & Sustainability Advocate
Nkosilathi Nyathi
UNICEF Youth Advocate | Climate & Environmental Activism
Alexandria Villaseñor
Founder, Earth Uprising International
Jim Toomey
Cartoonist & Animator | Environmental Storytelling
Joanie Lemercier
Light Artist and Climate Activist | Projection Mapping Pioneer
Sophia Kianni
Climate activist | Breaking down language barriers in environmental action
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Chris Jordan
Photographer & Environmental Activist | 'Midway' Film & Ocean Plastic Pollution
Nigel Topping
UN Climate Envoy | Accelerating the Green Transition to Net-Zero Emissions
Greta Thunberg
Climate Activist | Sparked Global Youth Movement for Environmental Action
Luisa Neubauer
Youth Climate Activist | 'Fridays for Future' Movement Leader
Nemonte Nenquimo
Indigenous Leader | Amazon Defender & Environmental Activist
Chibeze Ezekiel
Environmental Activist | Sustainability in Emerging Technology
Diane Wolk-Rogers
Educator & Sustainability Advocate | Inspiring Environmental Stewardship
Hindou Oumarou Ibrahim
Environmental Activist | Indigenous Climate Leader
Jeff Kirschner
Founder of Litterati | Combating Plastic Pollution with Citizen Science
Rising speakers
Active, up-and-coming voices in Climate Activism - beyond the household names
Katharine Hamnett CBE
Fashion Designer & Activist | Katharine Hamnett
Joanie Lemercier
Light Artist and Climate Activist | Projection Mapping Pioneer
Luisa Neubauer
Youth Climate Activist | 'Fridays for Future' Movement Leader
Lucy von Sturmer
Founder and CEO, CREATIVES FOR CLIMATE | Mobilizing Creatives for Climate Action
Nigel Topping
UN Climate Envoy | Accelerating the Green Transition to Net-Zero Emissions
Lewis Pugh
Endurance Swimmer | Environmental Adventurer | UN Patron of the Oceans
Greta Thunberg
Climate Activist | Sparked Global Youth Movement for Environmental Action
Chris Jordan
Photographer & Environmental Activist | 'Midway' Film & Ocean Plastic Pollution