Suzanne Simard: How trees talk to each other

Suzanne Simard: How trees talk to each other

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Suzanne Simard:

How trees talk to each other

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About


“A forest is much more than what you see,” says ecologist Suzanne Simard. Her 30 years of research in Canadian forests have led to an astounding discovery — trees talk, often and over vast distances. Learn more about the harmonious yet complicated social lives of trees and prepare to see the natural world with new eyes.

Fred Swaniker: The leaders who ruined Africa, and the generation who can fix it

Fred Swaniker: The leaders who ruined Africa, and the generation who can fix it

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Fred Swaniker:

The leaders who ruined Africa, and the generation who can fix it

About


Before he hit eighteen, Fred Swaniker had lived in Ghana, Gambia, Botswana and Zimbabwe. What he learned from a childhood across Africa was that while good leaders can’t make much of a difference in societies with strong institutions, in countries with weak structures, leaders could make or break a country. In a passionate talk the entrepreneur and TED Fellow looks at different generations of African leaders and imagines how to develop the leadership of the future.

Alessandra Orofino: It’s our city. Let’s fix it

Alessandra Orofino: It’s our city. Let’s fix it

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Alessandra Orofino:

It’s our city. Let’s fix it

About


Too often, people feel checked out of politics — even at the level of their own city. But urban activist Alessandra Orofino thinks that can change, using a mix of tech and old-fashioned human connection. Sharing examples from her hometown of Rio, she says: “It is up to us to decide whether we want schools or parking lots, recycling projects or construction sites, cars or buses, loneliness or solidarity.”