700 million people still live without electricity. Here’s how to fix that | Jacqueline Novogratz

There’s two times more carbon in the earth's soil than in all of its vegetation and the atmosphere -- combined. Biogeochemist Asmeret Asefaw Berhe dives into the science of soil and shares how we coul...

3 Sep 201913min

As we recklessly warm the planet by pumping greenhouse gases into the atmosphere, some industrial emissions also produce particles that reflect sunshine back into space, putting a check on global warm...

1 Sep 201913min

"North Korea is unimaginable," says human rights activist Yeonmi Park, who escaped the country at the age of 10. Sharing the harrowing story of her childhood, she reflects on the fragility of freedom ...

30 Aug 201910min

TV news anchor Lee Thomas thought his career was over after he was diagnosed with vitiligo, an autoimmune disorder that left large patches of his skin without pigment and led to derision and stares. I...

29 Aug 201913min

Can technology make people safer from threats like violent extremism, censorship and persecution? In this illuminating talk, technologist Yasmin Green details programs pioneered at Jigsaw (a unit with...

28 Aug 201913min

"For all that's ever been said about climate change, we haven't heard nearly enough about the psychological impacts of living in a warming world," says science writer Britt Wray. In this quick talk, s...

27 Aug 20197min

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 internatio...

26 Aug 201917min

Growing up in England, Pico Iyer was taught that the point of a game was to win. Now, some 50 years later, he's realized that competition can be "more like an act of love." In this charming, subtly pr...

23 Aug 201912min