When a freak tornado hit her Massachusetts hometown, Caitria O’Neill wasn't an expert in disaster relief recovery. But she learned quickly and is now passing her knowledge on through the website Recovers.org.

Tom Schuler has spent three decades advancing sustainable innovation across global industries.

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Susan Solomon enables support for human stem cell research, aiming to cure major diseases and empower more personalized medicine.

James B. Glattfelder aims to give us a richer, data-driven understanding of the people and interactions that control our global economy. He does this not to push an ideology -- but with the hopes of making the world a better place.

The beloved Mr. Sulu from the original Star Trek, George Takei is an activist for human rights (and a master of Facebook memes).

Zachariah Mampilly is an expert on the politics of both violent and non-violent resistance.

Shane Koyczan makes spoken-word poetry and music. His poem "To This Day" is a powerful story of bullying and survival, illustrated by animators from around the world.

An illustrator and graphic journalist with a background in social work, Wendy MacNaughton believes drawing is an essential tool to help everyone -- young and old -- slow down, look closely and connect with one another.

Darrick Hamilton crafts and implements innovative routes and policies that break down social hierarchy and move society towards greater equity, inclusion and civic participation.

Writer and thinker David Brooks has covered business, crime and politics over a long career in journalism.

In 2019, Victor Vescovo could become the first person to have climbed to the highest point of all the world's continents as well as descended to the deepest reaches of all its oceans, including the Challenger Deep.

Paul Pholeros was a director of Healthabitat, a longstanding effort to improve the health of indigenous people by improving their living housing.

Aziz Abu Sarah helps people break down cultural and historical barriers through tourism.

Penny Chisholm studies an extremely tiny microorganism that plays an enormous role in ocean ecosystems. Discovered only three decades ago, it has defined her career and inspired her to think differently about life on Earth.

Jeff Skoll was the first president of eBay; he used his dot-com fortune to found the film house Participant Productions, making movies to inspire social change, including Syriana; Good Night, and Good Luck; Murderball; An Inconvenient Truth ...

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Paul MacCready, an aircraft designer and environmentalist, is a pioneer of human-powered flight, alternative energy for transportation, and environmentally responsible design.

Caroline Casey works relentlessly to bring out a global shift in business inclusion, and ensure that everyone can live their life without limit or labels.

Photography is about creating images by recording light. At the MIT media lab, professor Ramesh Raskar and his team members have invented a camera that can photograph light itself as it moves at, well, the speed of light.

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The world feels fragile these days, a bit wobbly. How do we figure out a way forward? At TED2019, we're taking a painfully honest look at what's going on, laying out shared values, exploring a common purpose -- and seeing how we can build something meaningful together: an idea, vision, ambition that's bigger than us. The event: Talks and ...

Charmian Gooch is the 2014 TED Prize winner. At Global Witness, she exposes how a global architecture of corruption is woven into the extraction and exploitation of natural resources.

Just announced today at the TEDx Workshop, happening in Edinburgh: TEDxWomen -- a one-day global event to keep the conversation going. TEDxWomen, hosted by Pat Mitchell, is a one-day event happening live on December 1, 2011, at the Paley Center in New York and Los Angeles and streaming live to TEDx events around the world. It's a chance to co...

About this event: Ideas Worth Spreading 1 day event 600 attendees 14 speakers and performers 1 workshop 14 crew members/volunteers 1.000 Tweets mentioned #TEDxBG

Sanford Biggers creates art that upends traditional narratives about topics ranging from hip hop to Buddhism to American history.

Jessica Ladd is using technology to combat sexual assault, empower survivors and advance justice.

About this event: As TedxOrtakoy, we are going after "+1" this year. There are definitely +1 ways to make the goodness and beauty around us more visible, we know. There should be +1 way to touch more lives, realize dreams, get more inspiration, we're looking for. Many good things have been described in TEDx scenes so far, many beautiful things. This year, we will...

After weathering two years in Biosphere 2, Jane Poynter is trying to create technologies that allow us to live in hostile environments -- like outer space.