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...

In a panel discussion about fossil fuels and accelerating the trajectory of decarbonization, Christiana Figueres (architect of the Paris Climate Agreement) talks with Chris James (cofounder of the activist fund Engine No. 1), Lauren MacDonald (climate justice activist) and Ben van Beurden (CEO of Royal Dutch Shell). This challenging, enlightenin...

For thousands of years, the Amazon rainforest has provided food, water and spiritual connection for its Indigenous inhabitants and the world. But the endless extraction of its natural resources by oil companies and others is destroying the lives of those who live there, says Waorani leader Nemonte Nenquimo, and threatening the overall stability ...

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...

Over the last two years, a collective of composers, musicians, computer programmers, scientists and activists has set out to reinterpret Vivaldi's "The Four Seasons" for a transformed world, restituting Vivaldi's score in expected climate scenarios for the year 2050. The project, titled "The [Uncertain] Four Seasons," launches November 5, 2021, ...

Vocal artist and creative technologist Reeps One fills the room with otherworldly, genre-transcending sounds and rhythms, delivering a one-of-a-kind performance that explores the past, present and future of vocal expression.

Activism is a tough job, especially for young people yearning for immediate change -- something climate activist Melati Wijsen has learned over ten years of pushing for environmental protection, starting at age 12 in her home on the island of Bali, Indonesia. How can young changemakers acquire the skills they need and keep from burning out? Wijs...

Africa needs new energy sources to fuel its development, but the continent should invest in renewable energy instead of cheap, polluting alternatives like coal, says climate inclusion activist Chibeze Ezekiel. He tells the story of how he worked with local communities in Ghana to halt the construction of the country's first coal power plant -- a...

Climate action can be a vehicle to deliver dignity, opportunity and equality for all. UN Deputy Secretary-General Amina J. Mohammed invites us to reimagine what the journey to net-zero could look like if we invest in people's climate efforts while prioritizing the 17 Sustainable Development Goals -- a blueprint of interlinked global goals to pro...

In 1972, the Club of Rome, an organization of thought leaders from around the world, published their first "Limits to Growth" report, a foundational text warning the world of the consequences of human activity on the health of the planet. In conversation with TED global curator Bruno Giussani, co-president of the Club of Rome Sandrine Dixson-Dec...

Most scientific literature is written only in English, creating an alarming knowledge gap for the 75 percent of the world who don't speak it. That's a big problem for climate change -- because it's hard to take action on something you don't understand. With Climate Cardinals, an international youth-led nonprofit that's working to make the climat...

Over the last two decades, the wind power industry has grown at a dizzying pace. (Fun fact: a single rotation from one of the world's most powerful wind turbines can generate enough electricity to charge more than 1,400 cell phones.) Building off this exponential growth, Denmark's climate minister Dan Jørgensen lays out his plan to end the count...

Cement is vital to modernizing all kinds of infrastructure in the developing world -- but manufacturing it comes at an enormous environmental cost in the form of carbon emissions. Mahendra Singhi, the CEO of one of India's largest cement producers, discusses his team's effort to transform the industry by targeting the two largest sources of CO2 ...

An unnoticed industry worth two trillion dollars a year is influencing almost every carbon emission. Sustainability solution seeker Solitaire Townsend calls this sector the "X industry" (where "X" stands for influence), and it includes professional services like advertising and PR firms, management consultancies, corporate law firms, lobbyists a...

As chairman of the world's largest maritime shipping company, Jim Hagemann Snabe thinks a lot about how goods get where they need to go and the impact their journey has on the planet. Leading the effort to decarbonize shipping by 2050, he shares a plan to convert green electricity into green liquid fuel to power vessels in a process called "powe...

"The way we cool things down is heating the planet even more," says sustainable development expert Rachel Kyte -- and the solutions go well beyond just fixing air-conditioning. She identifies four major areas with transformative solutions -- from roofs painted with bright white paint to solar control glass to more efficient cold chains for vacci...

Why is China appointing thousands of judges to environmental courts and training prosecutors to bring cases to them, even if it means suing the government? Eco-lawyer James Thornton takes us inside the country's growing effort to use the power of the courts to address environmental problems -- a little-known story that indicates China could beco...

There's nothing funny about climate change, but Rainn Wilson and 16 of his friends give it their best shot. (Featuring Mayim Bialik, Retta, Conan O'Brien, Randall Park, Maria Bamford, Chris Gethard, Tig Notaro, Al Madrigal, "Weird Al" Yankovic, Larry Wilmore, Ed Helms, Nick Kroll, Margaret Cho, Maz Jobrani, Omid Djalili and Aisha Tyler. Directed...

Lucas Joppa, Microsoft's first chief environmental officer, thinks about climate change through the lens of coding, and he says the world's current net-zero approach simply won't compute. So how do we create a system that actually accounts for all the world's carbon emissions -- and helps us get to zero (as in zero additional carbon added to the...

Every year, ocean levels rise and high tides flood the low-lying Marshall Islands in the Pacific, destroying homes, salinating water supplies and disrupting livelihoods. In a stirring poem and talk, youth climate warrior Selina Neirok Leem explains why adaptation using Indigenous solutions is the only choice for people on the front lines of clim...

The roadmap to ending pollution from transportation is here, says electrification advocate Monica Araya. In conversation with head of TED Chris Anderson, Araya introduces Drive Electric: a global campaign to retire the polluting internal combustion engine in time to avoid climate disaster. And she shares some exciting news: a breakthrough fundin...

What do woolly pigs have to do with climate change? They're part of a vital, ingenious and evolving strategy to take carbon out of the sky and store it safely -- in trees, soils, the ocean, buildings, rocks and deep underground. Every carbon removal approach takes some combination of natural resources, human ingenuity and technology, says climat...

We currently have enough fossil fuels to progressively transition off of them, says climate campaigner Tzeporah Berman, but the industry continues to expand oil, gas and coal production and exploration. With searing passion and unflinching nerve, Berman reveals the delusions keeping true progress from being made -- and offers a realistic path fo...

Given the scale of the challenge, the conversation around climate change is often tinged with doom and gloom. But climate tech investor Gabriel Kra thinks we need to reframe the crisis as a source of tremendous opportunity. He offers five big reasons to be optimistic about climate -- starting with the fact that many of the world's best minds are...

"How much more damage do we have to endure before we realize that it's cheaper to save this planet than to ruin it?" asks engineer and investor John Doerr. In conversation with Countdown cofounder Lindsay Levin, Doerr and systems innovator Ryan Panchadsaram lay out six big objectives that -- if pursued with speed and scale -- could transform soc...

A net-zero future is possible, but first we need to flip a mental switch to truly understand that we can stop the climate crisis if we try, says Nobel laureate Al Gore. In this inspiring and essential talk, Gore shares examples of extreme climate events (think: fires, floods and atmospheric tsunamis), identifies the man-made systems holding us b...

In this stunning spoken-word performance, poet and "freedom-forging futurist" Naima Penniman celebrates the wonders of the natural world and humanity's connection to it. "I wonder if the sun debates dawn some mornings," she says.

By 2100, the UN estimates that the world's population will grow to just over 11 billion people. Architect Vishaan Chakrabarti wants us to start thinking about how we'll house all these people -- and how new construction can fight climate change rather than make it worse. In this visionary talk, Chakrabarti proposes a "Goldilocks" solution to sus...

The ocean is often thought of as a victim of climate change, in need of human protection. But ocean expert Susan Ruffo says that mindset needs to shift. From storing carbon to providing protection to coastal communities, Ruffo highlights the ocean's ready-made solutions to the climate crisis and asks: With more than eighty percent of the ocean s...

To solve the climate crisis, we need to make tropical forests worth more alive than dead, says environmental economist Nat Keohane. Highlighting the urgent need to stop deforestation and the carbon pollution it brings, he details the work of the LEAF Coalition -- a first-of-its-kind public-private partnership that's channeling one billion dollar...