TED Countdown | Championing and accelerating solutions to the climate crisis

Isabella Tree

3 tips to make your world beautifully wild

When conservationists talk about rewilding, most people picture wolves and bison roaming endless landscapes — but Isabella Tree discovered the real revolution is happening in ordinary backyards. She shares the incredible story of how she and her husband transformed their failing farmland into a nature paradise, offering a three-step formula for anyone looking to turn their green space wild.

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Melinda Janki

How we took on an oil giant — and won

Oil companies may seem invincible, but they are more vulnerable than you think, says climate justice litigator Melinda Janki. She tells the story of how she took on ExxonMobil in her home country of Guyana, notching historic wins against the oil giant — and proving that we can turn existing laws into powerful tools for change.

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Discover our latest Talks about climate change impacts and solutions.

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Bringing People Together

We convene thought leaders from around the world to share diverse perspectives, build community and foster new collaborations that can lead to tangible progress.

TEDx Countdown
TEDx Countdown is a grassroots initiative that supports locally-curated climate events, giving host communities the opportunity to showcase their own innovative solutions with the world. In 2025, we selected 19 TEDxCountdown events in 13 countries to participate in the TEDxCountdown anchor program, which provides the funding and support for local climate events around the globe.
Countdown Summit
Africa’s climate leadership is essential to the global transition. The 2025 Countdown Summit brought together 625+ cross-disciplinary leaders in Nairobi, Kenya, to share game changing innovations and bold actions emerging from the Global South and beyond.
TED Countdown House
During COP30 Belém, TED Countdown House became a gathering place for Indigenous leaders, former heads of state, entrepreneurs, activists, journalists and more to engage in candid dialogue. We hosted 62 events with 55 partners — from moral leadership to AI-powered conservation to regenerative finance — demonstrating the breadth of solutions underway.

Explore Events

Jute is one of the best alternatives to plastic products. Due to heavy rains over the Bay of Bengal, many rural areas of West Bengal received sufficient water resources to support jute farming, which has grown drastically.

Dipayan Bose

Climate Visuals Countdown

Monitoring photobioreactors in the micro-algae production facility in Hellisheidi.

Simone Tramonte

Climate Visuals Countdown

A young girl walks along a ruined, flooded road in Isle de Jean, Louisiana.

Stacy Kranitz

Climate Visuals Countdown

In the Fulani village of Hore Mondji, located in southern Mauritania on the banks of the Senegal River, a women's cooperative uses solar energy to operate the borehole that supplies water to the market garden

Raphael Pouget

Climate Visuals Countdown