Humanity's planet-shaping powers -- and what ...

Aria Florant cofounded a nonprofit to help accelerate the reparations movement in the US … but less than a year in, her partnership with her own cofounder fell apart. Drawing on what brought the two of them back together — plus lessons from South Africa, Germany and Colombia — sh ...  Show more

What’s dirtier: your phone or your hands? Molecular biologist Lotti Tajouri says there’s a gaping hole in our hygiene routine. We scrub our hands clean, then reach right for the phone — a warm, humid and mobile home for bacteria and viruses. He explores the unnervingly vibrant mi ...  Show more

As the Administrator of the United Nations Development Programme, Achim Steiner has a relentless collaborative spirit. The conversation covers the relationship between the environment and economic development as big news comes this week from China. --- Our special musical guest t ...  Show more

Has our invention and mastery of increasingly powerful technology turned humans into gods? From the destructive potential inherent in nuclear technology to the understanding of the building blocks of life represented by the sequencing of the human genome, our technologies have gi ...  Show more

As the environmental future of our planet reaches a critical point, Dr. Andrew Steer suggests the need for disruptive and systemic change. This talk was filmed at TEDxFoggyBottom. All TEDx events are organized independently by volunteers in the spirit of TED's mission of ideas wo ...  Show more