Speaker Lineup
Al Gore
Nobel Peace Prize Winner | Climate Crisis Catalyst and Global Environmental Leader
"Countdown Session 2: Leadership (Full session)"
Andri Snær Magnason
Icelandic Filmmaker | Storyteller & Activist
"On time and water"
Angel Hsu
Environmental Scientist | Entrepreneurship for Sustainability
"Cities are driving climate change. Here's how they can fix it"
Antonio Guterres
Former Portuguese Prime Minister | UN Secretary-General Leading Global Climate and Refugee Protection Efforts
"The race to a zero-emission world starts now "
Carlos Moreno
Smart Cities Pioneer | Transforming Urban Life Through Human-Centered Innovation
"The 15-minute city"
Christiana Figueres
UN Climate Champion | Paris Agreement Architect and Climate Action Catalyst
"The case for stubborn optimism on climate"
Climate Action Tracker
Climate Action Tracker | Data-Driven Insights for Sustainable Transformation
"The state of the climate crisis in 2020"
David Lammy
Member of Parliament | Racial Equity & Social Justice Champion
"Climate justice can't happen without racial justice"
Elif Shafak
Award-winning novelist | Author of "The Island of Missing Trees"
"If trees could speak"
Gloria Kasang Bulus
Social Impact Advocate | Empowering Girls in Rural Nigeria
"Climate change is our reality. Here's how we're taking action"
His Holiness Pope Francis
His Holiness Pope Francis | Moral Leadership in a Polarized World
"Nuestro imperativo moral para actuar sobre el cambio climático -- y 3 pasos que podemos dar"
Johan Rockström
Environmental Scientist | Climate Change & Sustainability Thought Leader
"10 years to transform the future of humanity -- or destabilize the planet"
John Doerr
Kleiner Perkins chairman | Backed Google, Amazon, Twitter; introduced OKRs to the world
"How to decarbonize the grid and electrify everything"
Kara Hurst
Sustainability Leader | Driving Corporate Impact
"Amazon's climate pledge to be net-zero by 2040"
Kristen Bell
Emmy-Nominated Actor & Producer | Entertainment Innovation Storyteller
"What is net-zero?"
Lisa Jackson
VP at Apple | Sustainability & Environmental Justice
"Apple's promise to be carbon neutral by 2030"
Monica Araya
Clean Energy Innovator | Sustainability Strategist
"How cities are detoxing transportation"
Nigel Topping
UN Climate Envoy | Accelerating the Green Transition to Net-Zero Emissions
"The race to net-zero emissions by 2050 is on. Can we count you in?"
Olafur Eliasson
Artist and Architect | Exploring Light, Nature, and Sustainability
"Kids are speaking up for the environment. Let's listen"
Prince Royce
Multiplatform Artist | Music, Film & Social Media
""Luna Negra" / "Carita de Inocente" / "Corazón Sin Cara" / "Darte un Beso""
Prince William
Prince of Wales | Championing Sustainability & Philanthropy
"This decade calls for Earthshots to repair our planet"
Rokia Traore
Malian Singer-Songwriter | Cultural Bridges Through Music
"Countdown Session 2: Leadership (Full session)"
Roman Krznaric
Philosopher | Exploring the Power of Empathy
"How to be a good ancestor"
Rose M. Mutiso
Energy Access Pioneer | Inspiring Africa's Green Transition
"The energy Africa needs to develop -- and fight climate change"
Sophie Howe
Future Generations Commissioner | Sustainable Policy & Ethics
"Lessons on leaving the world better than you found it"
Stephen Wilkes
Photographer & Visual Storyteller | Capturing the Passage of Time
"24 hours on Earth -- in one image"
Thomas Crowther
Ecologist | Mapping Earth's Ecosystems & Climate Solutions
"The global movement to restore nature's biodiversity"
Ursula von der Leyen
President of the European Commission | Leading Europe's transition to carbon neutrality
"Europe's plan to become the first carbon-neutral continent"
Varun Sivaram
Clean Energy Strategist | Former Chief Technology Officer, U.S. Department of Energy
"How India could pull off the world's most ambitious energy transition"
Yvonne Aki-Sawyerr
Mayor of Freetown | Emerging Technology & Public Relations
"The city planting a million trees in two years"
Sessions with video
"Luna Negra" / "Carita de Inocente" / "Corazón Sin Cara" / "Darte un Beso"
Prince Royce
10 years to transform the future of humanity -- or destabilize the planet
Johan Rockström
24 hours on Earth -- in one image
Stephen Wilkes
Amazon's climate pledge to be net-zero by 2040
Kara Hurst
Apple's promise to be carbon neutral by 2030
Lisa Jackson
Cities are driving climate change. Here's how they can fix it
Angel Hsu
Climate change is our reality. Here's how we're taking action
Gloria Kasang Bulus
Climate justice can't happen without racial justice
David Lammy
Countdown Session 2: Leadership (Full session)
Rokia Traore
Countdown Session 2: Leadership (Full session)
Al Gore
Europe's plan to become the first carbon-neutral continent
Ursula von der Leyen
How India could pull off the world's most ambitious energy transition
Varun Sivaram