TED Business Folgen

"The way we cool things down is heating the planet even more," says sustainable development expert Rachel Kyte -- and the solutions go well beyond just fixing air-conditioning. She identifies four major areas with transformative solutions -- from roofs painted with bright white paint to solar control glass to more efficient cold chains for vaccines -- that can be implemented in fair and sustainable ways. Learn more about what a community designed for cool could look like.

There's a mistaken belief in today's working world that leaders need to be serious all the time to be taken seriously. The research tells a different story. Based on the course they teach at Stanford's Graduate School of Business, behavioral scientist Jennifer Aaker and corporate strategist Naomi Bagdonas delve into the surprising power of humor: why it's a secret weapon to build bonds, power, creativity and resilience -- and how we can all have more of it.

Childcare needs a transformation -- but rather than investing billions in new buildings and schools, what if we could unlock the potential of people already nearby? Entrepreneur Chris Bennett offers an innovative way to tackle the shortage of childcare worldwide and connect families to safe, affordable and high-quality options in their own communities.