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Kate Orff: Reviving New York’s rivers — with oysters!

Kate Orff: Reviving New York’s rivers — with oysters!

Architect Kate Orff sees the oyster as an agent of urban change. Bundled into beds and sunk into city rivers, oysters slurp up pollution...
Greening the ghetto | Majora Carter

Greening the ghetto | Majora Carter

In an emotionally charged talk, MacArthur-winning activist Majora Carter details her fight for environmental justice in the South Bronx -- and shows how minority...
Julian Treasure: The 4 ways sound affects us

Julian Treasure: The 4 ways sound affects us

Playing sound effects both pleasant and awful, Julian Treasure shows how sound affects us in four significant ways. Listen carefully for a shocking fact...
Liz Diller: A giant bubble for debate

Liz Diller: A giant bubble for debate

How do you make a great public space inside a not-so-great building? Liz Diller shares the story of creating a welcoming, lighthearted (even, dare...
Pam Warhurst: How we can eat our landscapes

Pam Warhurst: How we can eat our landscapes

What should a community do with its unused land? Plant food, of course. With energy and humor, Pam Warhurst tells at the TEDSalon the...
Jessica Green: Good germs make healthy buildings

Jessica Green: Good germs make healthy buildings

Our bodies and homes are covered in microbes -- some good for us, some bad for us, and some just along for the ride....
John Hardy: My green school dream

John Hardy: My green school dream

John Hardy on a tour of the Green School, his off-the-grid school in Bali that teaches kids how to build, garden, create (and get...
Paola Antonelli: Design and the elastic mind

Paola Antonelli: Design and the elastic mind

MOMA design curator Paola Antonelli previews the groundbreaking show "Design and the Elastic Mind" -- full of products and designs that reflect the way...
Olafur Eliasson: Playing with space and light

Olafur Eliasson: Playing with space and light

In the spectacular large-scale projects he's famous for (such as "Waterfalls" in New York harbor), Olafur Eliasson creates art from a palette of space,...
Janine Benyus: Biomimicry in action

Janine Benyus: Biomimicry in action

Janine Benyus has a message for inventors: When solving a design problem, look to nature first. There you'll find inspired designs for making things...