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.

"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...

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...

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...

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...

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...

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 ...

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...

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...

For smallholder farmers in India, agriculture has long been an unreliable source of income -- crops that flourish one season can fail the next, thanks to heat, pests and disease. But climate risk is now making the profession nearly impossible. TED Fellow Sathya Raghu Mokkapati is determined to change that with "greenhouse-in-a-box": a small, low...

Scientists have long known that cows are a huge source of the greenhouse gas methane, contributing up to four percent of emissions globally. But could there be a way to make cattle less -- ahem -- gassy? Animal scientist Ermias Kebreab talks through an ingenious solution to reduce methane-rich cow burps by feeding cattle something growing below ...

As a diver in the 1970s, marine ecologist Enric Sala saw once-lush oceanscapes reduced to underwater deserts -- but later, in marine preserves across the globe, he also witnessed the ocean's power to rejuvenate itself when left to its own natural devices. Could rewilding the planet help us restore biodiversity and reduce the impacts of climate c...

With the ongoing extinction of species, destruction of forests and melting of ice caps, one thing is clear: even with huge advances in technology, individuals alone can't restore the world's ecological systems. Lord Zac Goldsmith, the UK Minister for Pacific and the Environment, believes that while we each have a part in climate activism, govern...

When it comes to tackling climate change, the size of a country doesn't matter -- it's their ambition that counts, says First Minister of Scotland Nicola Sturgeon. In a rousing talk, she shares examples of small nations -- from Bhutan and Fiji to her own Scotland -- whose leadership and climate action are galvanizing change on the international ...

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...

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...

At LanzaTech, CEO Jennifer Holmgren and her team have engineered a unique technology that recycles carbon waste to create ethanol, which can then be used as a clean fuel for machines or industrial processes. In conversation with TED's head of curation Helen Walters, Holmgren explains how governments and independent institutions can turn emission...

The doctrine of "first, do no harm" is the basis of the Hippocratic Oath, one of the world's oldest codes of ethics. It governs the work of physicians -- but climate and health campaigner Shweta Narayan says it should go further. In this essential talk, she highlights the interdependence of environmental and human health and emphasizes the neces...

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.

From nourishing our foods to storing massive amounts of carbon, soil is teeming with diverse microbial life that could slow global warming. Climate change scientist Jane Zelikova calls for agricultural practices that protect Earth's soil by growing climate-adapted crops that don't mess with the microbes. "Soils are the literal foundation of life...

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...

There's been explosive investment in new technologies aimed at decarbonizing the planet. But climate investor Dawn Lippert says something key is missing from this strategy: investment in the local people these solutions would affect most. She shares how she's bridging the gap between investment in new tech and local communities -- by getting clo...