The impacts of climate change are growing, but so are the world's attempts to stop them. Hosted by Manoush Zomorodi of the TED Radio Hour, this special TED documentary examines the rapid technological revolution underway — and the real possibility of a better future for all. (Featuring urban planner Anika Goss, scientist and carbon expert Julio ...

What are the realistic pathways off of fossil fuels and towards a world of abundant clean energy? TED Countdown gathered for its second Dilemma Series -- events designed to look at some of the tricky challenges of climate change, where diverging positions have stalled progress -- to answer this core question of the climate crisis. Through TED Ta...

Food is culture, food is life — it’s part of who we are and the magic that binds us together. But here’s the twist: the way we eat is pushing the climate to the brink, with a third of global greenhouse gas emissions coming from the way we grow, process and waste food. Through TED Talks and conversations with chefs, scientists, activists and more...

In June 2022, TED's climate initiative, Countdown, launched its Dilemma Series: events designed to look at some of the "knots" in the climate change space, where diverging positions have stalled progress and solidified into an inability to collaborate across differences. The event focused on the question: Is there a role for carbon credits in th...

Session 1 of TED's Countdown Dilemma Series from June 2022 features scientists, activists, artists, frontline community leaders and more debating the role of carbon credits in a net-zero future. This session focuses on the science of carbon credits, how the current system is failing and various perspectives on how to address these challenges. (F...

Session 2 of TED's Countdown Dilemma Series from June 2022 features scientists, activists, artists, frontline community leaders and more debating the role for carbon credits in a net-zero future. (Featuring, in order of appearance: Lindsay Levin, Nicole Ng, Derik Broekhoff, Oliver Geden, Elizabeth Willmott, Noorie Rajvanshi, Aaron Rutkoff, Gabri...

Singer-songwriter Charlie Puth dazzles in a performance of his effortlessly catchy hit "Attention" and an impeccable cover of Stevie Wonder's "You and I", live from the TED Countdown stage.

Vegan chef (and head chef of TED Countdown Summit) Derek Sarno is on a mission to unleash the mighty power of plants, creating nutritious food from mushrooms and vegetables that's full of texture and flavor -- and good for the planet. He dishes out some creative cooking inspiration and shares how his personal journey led him to create amazing fo...

The closing session of the TED Countdown Summit in Edinburgh on Friday, October 15, 2021 started with a discussion about the upcoming United Nations climate conference, COP26, which will take place in Glasgow from October 31-November 12, 2021. The discussion -- featuring Patricia Espinosa, Executive Secretary of the UN Framework Convention on Cl...

If you're a frequent flier, you're also a major polluter. What if there was a way to travel the world with less impact on the environment? In this quick, exciting talk, aviation entrepreneur and TED Fellow Cory Combs lays out how electric aircraft could make flying cleaner, quieter and more affordable -- and shares his work on Electric EEL, the ...

A brief answer to one of the key questions about climate change: Why is 1.5 degrees such a big deal? (Written by Myles Allen, David Biello and George Zaidan)

A brief answer to one of the key questions about climate change: Why is the world warming up? (Written by Myles Allen, David Biello and George Zaidan)

A brief answer to one of the key questions about climate change: Where does all the carbon we release go? (Written by Myles Allen, David Biello and George Zaidan)

A brief answer to one of the key questions about climate change: Why act now? (Written by Myles Allen, David Biello and George Zaidan)

A brief answer to one of the key questions about climate change: What is net-zero? (Written by Myles Allen, David Biello and George Zaidan)

"If we want to avoid a climate disaster, we need much more radical leadership," says Jim Snabe, who knows a thing or two about leadership as chairman of the world's largest maritime shipping company. In a stirring talk, he encourages companies to take big, bold actions to tackle climate change — and invites anyone to join the TED Future Forum, a...

"AI can be a transformational tool in our fight against climate change," says Sims Witherspoon, a leader at the AI research lab Google DeepMind. Using wind power as her case study, she explains how powerful neural networks can help us better predict Earth's changing ecosystems and accelerate the breakthrough science needed to create a carbon-fre...

A landfill on fire doesn't only emit a horrid stench — it has devastating consequences for the environment, too. The culprit is methane, an often underestimated greenhouse gas produced in large part by food systems, organic waste and yes, cow burps. Biochemical engineer Marcelo Mena explains the source of this sneaky pollutant, why its emissions...

Rice is the world's largest food source — and it's also a massive emitter of methane gas, a key contributor to climate change. Fifth-generation rice farmer Jim Whitaker and his daughter, farmer and conservationist Jessica Whitaker Allen, are working to slash rice's environmental impacts with innovative, sustainable farming practices. They share ...

Environmental activist Gopal D. Patel thinks the climate movement could learn a lot from one of the longest-standing social initiatives in human history: religion. Exploring three areas where frameworks from faith traditions could benefit the climate movement, Patel offers a playbook for discovering your big idea to build momentum towards powerf...

Electric vehicles need to be more than just eco-friendly — they have to be more chic, convenient and affordable than their gas-powered alternatives, says sustainability leader Cynthia Williams. She explores what it'll take for an electric revolution to succeed in the US, calling on corporations, policy leaders, investors and more to collaborate ...

Singer-songwriter Mike Posner took a break from his music to take a walk — a very long walk, across the entire United States. He shares five lessons he learned from his epic, eventful trek (snakes might be involved) and how it helped him find the key to happiness. (He also performs two hit songs: "I Took a Pill in Ibiza" and "Could You Do the Sa...

Theater has the power to transform the most pressing issues of our time from news stories into human stories, says director and playwright Amir Nizar Zuabi. Recounting his work on the journey of Little Amal — a 13-foot puppet symbolizing the refugee experience — Zuabi unveils his newest project: "The Herds," a vast theatrical production of anima...

Sharing the inside scoop on how the world's largest food company aims to reach net zero by 2050, Nestlé North America CEO Steve Presley joins TED's Lindsay Levin to discuss the progress they've made so far and where they're investing for sustainability. A big focus will be regenerative agriculture -- producing food in a way that helps the planet...

With some of the highest energy bills in Southeast Asia and extreme weather to match, the Philippines experiences the climate crisis -- and climate activism -- as a part of daily life. Clean energy advocate Kala Constantino highlights how people across the country are coming together to transform policies, power and the economy as the island nat...

What's it like keeping the lights on during war? Ukrainian energy executive Maxim Timchenko shares how his company has diversified Ukraine's power structures to survive Russian attacks, highlighting the resilience of renewable energy. Hear more about Ukraine's present-day challenges, how it's become a testing ground in the global fight against c...

Climate justice is taking center stage -- geopolitically, socially and morally. In a contagiously courageous conversation, Member of Parliament in the UK David Lammy and Tennessee state representative Justin J. Pearson discuss how brave leadership can shepherd global movements and uplift historically marginalized communities in the face of human...

The key to revolutionizing the world's energy landscape may lie in an unlikely love story, says energy innovator Olivia Breese. She details the fateful marriage of a green electron and a water molecule -- a powerful source of carbon-free, sustainable energy -- and calls for universal investment in this potentially transformative resource. "A wor...

Climate change doesn't care about ideological divides, says policy analyst and China expert Changhua Wu. Here's what she says the US can learn from the progress China has made on the clean energy revolution -- and why collaboration instead of competition is the key to avoiding climate catastrophe.

What would it take to make global supply chains cleaner and greener? Bo Cerup-Simonsen -- who's helping decarbonize the maritime industry as CEO of the Mærsk Mc-Kinney Møller Center for Zero Carbon Shipping -- discusses why tenacious collaboration is key to orchestrating systemic change. In conversation with TED's Lindsay Levin, he shares import...