Sustainability is pretty clearly one of the world's most important goals; but what groups can really make environmental progress in leaps and bounds? Chris McKnett makes the case that it's large institutional investors. He shows how strong financial data isn't enough, and reveals why investors need to look at a company's environmental, social an...

Companies worldwide are pledging to play a more meaningful role in the well-being of their employees, customers and the environment. How can they turn their promises into action? From creating a representative boardroom to committing to measurable sustainability goals, business leader Dame Vivian Hunt discusses the necessary changes companies ca...

Some of the world's most baffling social problems, says Peter Eigen, can be traced to systematic, pervasive government corruption, hand-in-glove with global companies. In his talk, Eigen describes the thrilling counter-attack led by his organization, Transparency International.

Could DAOs, or "decentralized autonomous organizations," be the key to building the next great city? Experimental urbanist Scott Fitsimones shares how these mission-driven, blockchain-governed, collectively owned organizations could increase the speed and efficiency of building cities (among many other applications) -- all while pooling decision...

What can governments learn from the open-data revolution? In this stirring talk, Beth Noveck, the former deputy CTO at the White House, shares a vision of practical openness -- connecting bureaucracies to citizens, sharing data, creating a truly participatory democracy. Imagine the "writable society" ...

In a talk that's equal parts funny and urgent, consultant Vinay Shandal shares stories of the world's top activist investors, showing how individuals and institutions can take a page from their playbook and put pressure on companies to drive positive change. "It's your right to have your money managed in line with your values," Shandal says. "Us...

Researcher Hans Rosling uses his cool data tools to show how countries are pulling themselves out of poverty. He demos Dollar Street, comparing households of varying income levels worldwide. Then he does something really amazing.

Why do we have to choose between nationalism and globalism, between loving our countries and caring for the world? In a talk with lessons for avowed nationalists and globalists alike, Wanis Kabbaj explains how we can challenge this polarizing, binary thinking -- and simultaneously be proud citizens of both our countries and the world.

Can global capital markets become catalysts for social change? According to investment expert Audrey Choi, individuals own almost half of all global capital, giving them (us!) the power to make a difference by investing in companies that champion social values and sustainability. "We have more opportunity today than ever before to make choices,"...

Jimmy Wales recalls how he assembled "a ragtag band of volunteers," gave them tools for collaborating and created Wikipedia, the self-organizing, self-correcting, never-finished online encyclopedia.

In this season of The TED Interview, conversations with people who make a case for ... optimism. Not some blind, hopeful feeling, but the conviction that somewhere out there are solutions that, given the right attention and resources, can guide us out of the dark place we're in. For the first episode: artificial intelligence. Will innovation in ...