In politics, representation matters -- and that's why we should elect leaders who reflect their country's diversity and embrace its multicultural tapestry, says Sayu Bhojwani. Through her own story of becoming an American citizen, the immigration scholar reveals how her love and dedication to her country turned into a driving force for political...

Our leaders and institutions are failing us, but it's not always because they're bad or unethical, says venture capitalist John Doerr -- often, it's simply because they're leading us toward the wrong objectives. In this practical talk, Doerr shows us how we can get back on track with "Objectives and Key Results," or OKRs -- a goal-setting system...

In this uplifting talk, Katherine Fulton sketches the new future of philanthropy -- one where collaboration and innovation allow regular people to do big things, even when money is scarce. Giving five practical examples of crowd-driven philanthropy, she calls for a new generation of citizen leaders.

What do you want to be when you grow up? Well, if you're not sure you want to do just one thing for the rest of your life, you're not alone. In this illuminating talk, writer and artist Emilie Wapnick describes the kind of people she calls "multipotentialites" -- who have a range of interests and jobs over one lifetime. Are you one?

The current coronavirus pandemic is a truly global one; in fact, Antarctica is the only continent with no cases (although that could change). Most nations have responded with similar measures -- stay-at-home advisories, shutdown of non-essential businesses, social distancing -- but the scope of these changes has varied and so has the human impac...

Rebeca Hwang nació en Corea, se crió en Argentina y fue educada en los Estados Unidos. Como alguien que ha vivido identidades cambiantes, Hwang afirma que, aunque a veces sea desafiante, tener una identidad diversa en realidad es una ventaja. En su charla comparte cómo la diversidad interna de sus identidades le permite establecer conexiones con...

To get out of the mess we're in, we need a new story that explains the present and guides the future, says author George Monbiot. Drawing on findings from psychology, neuroscience and evolutionary biology, he offers a new vision for society built around our fundamental capacity for altruism and cooperation. This contagiously optimistic talk will...

Would you choose to build a house on top of an unfinished foundation? Of course not. Why, then, do we rush students through education when they haven't always grasped the basics? Yes, it's complicated, but educator Sal Khan shares his plan to turn struggling students into scholars by helping them master concepts at their own pace.

In the early days of digital culture, Jaron Lanier helped craft a vision for the internet as public commons where humanity could share its knowledge -- but even then, this vision was haunted by the dark side of how it could turn out: with personal devices that control our lives, monitor our data and feed us stimuli. (Sound familiar?) In this vis...

A decade ago, Robin Chase founded Zipcar in the US, now the largest car-sharing company in the world. Now she's exploring the next level of car-sharing: Buzzcar, a French startup that lets people rent their own cars to others. The details are fascinating (how does insurance work, exactly?), and the larger vision (she calls it Peers, Inc.) points...

Iqbal Quadir tells how his experiences as a kid in poor Bangladesh, and later as a banker in New York, led him to start a mobile phone operator connecting 80 million rural Bangladeshi -- and to become a champion of bottom-up development.

Marcel Dicke makes an appetizing case for adding insects to everyone's diet. His message to squeamish chefs and foodies: delicacies like locusts and caterpillars compete with meat in flavor, nutrition and eco-friendliness.

Clay Shirky looks at "cognitive surplus" -- the shared, online work we do with our spare brain cycles. While we're busy editing Wikipedia, posting to Ushahidi (and yes, making LOLcats), we're building a better, more cooperative world.

The "broken" US political system is actually working exactly as designed, says business leader and activist Katherine Gehl. Examining the system through a nonpartisan lens, she makes the case for voting innovations, already implemented in parts of the country, that give citizens more choice and incentivize politicians to work towards progress an...

Have we used up all our resources? Have we filled up all the livable space on Earth? Paul Gilding suggests we have, and the possibility of devastating consequences, in a talk that's equal parts terrifying and, oddly, hopeful.

For many centuries (and for many reasons) critically acclaimed creative genius has generally come from a male perspective. As theater director Jude Kelly points out in this passionately reasoned talk, that skew affects how we interpret even non-fictional women's stories and rights. She thinks there's a more useful, more inclusive way to look at ...

At his carpet company, Ray Anderson has increased sales and doubled profits while turning the traditional "take / make / waste" industrial system on its head. In a gentle, understated way, he shares a powerful vision for sustainable commerce.

Earth, humanity and nature are inextricably interconnected. To restore us all back to health, we need to "rewild" the world, says environmental activist Kristine Tompkins. Tracing her life from Patagonia CEO to passionate conservationist, she shares how she has helped to establish national parks across millions of acres of land (and sea) in Sout...

We've known about global warming for 50 years and done little about it, says Google.org director Larry Brilliant. In spite of this and other depressing trends, he's optimistic and tells us why. From Skoll World Forum, Oxford, UK, www.skollfoundation.org

Two-thirds of the world may not have access to the latest smartphone, but local electronic shops are adept at fixing older tech using low-cost parts. Vinay Venkatraman explains his work in "technology crafts," through which a mobile phone, a lunchbox and a flashlight can become a digital projector for a village school, or an alarm clock and a m...

What happens when the way we buy, sell and pay for things changes, perhaps even removing the need for banks or currency exchange bureaus? That's the radical promise of a world powered by cryptocurrencies like Bitcoin and Ethereum. We're not there yet, but in this sparky talk, digital currency researcher Neha Narula describes the collective ficti...

In a talk packed with wry wisdom, pop culture queen Bevy Smith shares hard-earned lessons about authenticity, confidence, mature success and why, if you put in the work, "life gets greater later."

The debate over foreign aid often pits those who mistrust "charity" against those who mistrust reliance on the markets. Jacqueline Novogratz proposes a middle way she calls patient capital, with promising examples of entrepreneurial innovation driving social change.

In a timely talk, cultural critic Virginia Postrel muses on the true meaning, and the powerful uses, of glamour -- which she defines as any calculated, carefully polished image designed to impress and persuade.

Peter Diamandis says it's our moral imperative to keep exploring space -- and he talks about how, with the X Prize and other incentives, we're going to do just that.

Traditional lab tests for disease diagnosis can be too expensive and cumbersome for the regions most in need. George Whitesides' ingenious answer is a foolproof tool that can be manufactured at virtually zero cost.

Activist Caroline Casey tells the story of her extraordinary life, starting with a revelation (no spoilers). In a talk that challenges perceptions, Casey asks us all to move beyond the limits we may think we have.

"I don't think we're going to make it," John Doerr says in an emotional talk about climate change and investment. To create a world fit for his daughter to live in, he says, we need to invest now in clean, green energy.

While working with kids who have trouble speaking, Ajit Narayanan sketched out a way to think about language in pictures, to relate words and concepts in "maps." The idea now powers the FreeSpeech app, which can help nonverbal people communicate.

In every workplace, there are three basic kinds of people: givers, takers and matchers. Organizational psychologist Adam Grant breaks down these personalities and offers simple strategies to promote a culture of generosity and keep self-serving employees from taking more than their share.