Community organizer Raj Jayadev wants to transform the US court system through "participatory defense" -- a growing movement that empowers families and community members to impact their loved ones' court cases. He shares the remarkable results of their work -- including more than 4,000 years of "time saved" from incarceration -- and shows how this new model could shift the landscape of power in the courts.

When we define racism as behaviors instead of feelings, we can measure it -- and transform it from an impossible problem into a solvable one, says justice scientist Dr. Phillip Atiba Solomon. In an actionable talk, he shares his work at the Center for Policing Equity, an organization that helps police departments diagnose and track racial gaps in policing in order to eliminate them. Learn more about their data-driven approach -- and how you can get involved with the work that still needs to be done. (This ambitious plan is part of the Audacious Project, TED's initiative to inspire and fund global change.)

In spring 2019, more than 17,000 Europeans from 33 countries signed up to have a political argument with a complete stranger. They were part of "Europe Talks," a project that organizes one-on-one conversations between people who disagree -- sort of like a Tinder for politics. Editor Jochen Wegner shares the unexpected things that happened when people met up to talk -- and shows how face-to-face discussions could get a divided world to rethink itself.

In spring 2019, more than 17,000 Europeans from 33 countries signed up to have a political argument with a complete stranger. They were part of "Europe Talks," a project that organizes one-on-one conversations between people who disagree -- sort of like a Tinder for politics. Editor Jochen Wegner shares the unexpected things that happened when people met up to talk -- and shows how face-to-face discussions could get a divided world to rethink itself.

In spring 2019, more than 17,000 Europeans from 33 countries signed up to have a political argument with a complete stranger. They were part of "Europe Talks," a project that organizes one-on-one conversations between people who disagree -- sort of like a Tinder for politics. Editor Jochen Wegner shares the unexpected things that happened when people met up to talk -- and shows how face-to-face discussions could get a divided world to rethink itself.

"North Korea is unimaginable," says human rights activist Yeonmi Park, who escaped the country at the age of 13. Sharing the harrowing story of her childhood, she reflects on the fragility of freedom -- and shows how change can be achieved even in the world's darkest places.

"North Korea is unimaginable," says human rights activist Yeonmi Park, who escaped the country at the age of 13. Sharing the harrowing story of her childhood, she reflects on the fragility of freedom -- and shows how change can be achieved even in the world's darkest places.

As Asian economies and governments continue to gain power, the West needs to find ways to adapt to the new global order, says author and diplomat Kishore Mahbubani. In an insightful look at international politics, Mahbubani shares a three-part strategy that Western governments can use to recover power and improve relations with the rest of the world.

China's one-child policy ended in 2015, but we're just beginning to understand what it was like to live under the program, says TED Fellow and documentary filmmaker Nanfu Wang. With footage from her film "One Child Nation," she shares untold stories that reveal the policy's complex consequences and expose the creeping power of propaganda.

China's one-child policy ended in 2015, but we're just beginning to understand what it was like to live under the program, says TED Fellow and documentary filmmaker Nanfu Wang. With footage from her film "One Child Nation," she shares untold stories that reveal the policy's complex consequences and expose the creeping power of propaganda.