Floating farms, sponge cities and the climate solutions already working | Harjeet Singh
TED Talks Daily11 Sep 2025

Floating farms, sponge cities and the climate solutions already working | Harjeet Singh

What if every dollar you spend today could save you 10 dollars tomorrow? Development expert Harjeet Singh reveals how climate solutions like floating farms and “sponge cities” that absorb floodwater aren’t just clever adaptations — they’re smart economics. He explains why wealthy nations must fund the adaptation efforts of developing countries and shows how anybody can build resilience to climate change no matter where they are.

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How to save a language from extinction | Daniel Bögre Udell

How to save a language from extinction | Daniel Bögre Udell

As many as 3,000 languages could disappear within the next 80 years, all but silencing entire cultures. In this quick talk, language preserver Daniel Bögre Udell shows how people around the world are ...

21 Nov 20196min

A creative solution for the water crisis in Flint, Michigan | LaToya Ruby Frazier

A creative solution for the water crisis in Flint, Michigan | LaToya Ruby Frazier

Artist LaToya Ruby Frazier spent five months living in Flint, Michigan, documenting the lives of those affected by the city’s water crisis for her photo essay “Flint is Family.” As the crisis dragged ...

20 Nov 201911min

For better health care, embrace irrationality | David Asch

For better health care, embrace irrationality | David Asch

Why do we make poor decisions that we know are bad for our health? In this frank, funny talk, behavioral economist and health policy expert David Asch explains why our behavior is often irrational -- ...

19 Nov 201916min

How to change your behavior for the better | Dan Ariely

How to change your behavior for the better | Dan Ariely

What's the best way to get people to change their behavior? In this funny, information-packed talk, psychologist Dan Ariely explores why we make bad decisions even when we know we shouldn't -- and dis...

18 Nov 201915min

Why gender-based marketing is bad for business | Gaby Barrios

Why gender-based marketing is bad for business | Gaby Barrios

Companies often target consumers based on gender, but this kind of advertising shortcut not only perpetuates outdated stereotypes -- it’s also bad for business, says marketing expert Gaby Barrios. In ...

15 Nov 201910min

What's really happening at the US-Mexico border -- and how we can do better | Erika Pinheiro

What's really happening at the US-Mexico border -- and how we can do better | Erika Pinheiro

At the US-Mexico border, policies of prolonged detention and family separation have made seeking asylum in the United States difficult and dangerous. In this raw and heartfelt talk, immigration attorn...

14 Nov 201914min

How can we support the emotional wellbeing of teachers? | Sydney Jensen

How can we support the emotional wellbeing of teachers? | Sydney Jensen

Teachers emotionally support our kids -- but who’s supporting teachers? In this eye-opening talk, educator Sydney Jensen explores how teachers are at risk of "secondary trauma" -- the idea that they a...

13 Nov 201911min

Cryptographers, quantum computers and the war for information | Craig Costello

Cryptographers, quantum computers and the war for information | Craig Costello

In this glimpse into our technological future, cryptographer Craig Costello discusses the world-altering potential of quantum computers, which could shatter the limits set by today’s machines -- and g...

13 Nov 201916min

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