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TED Talks to make you hopeful for 2024

As we look with hope toward a new year, these TED Talks offer inspiration from speakers addressing some of the world's most pressing issues — from sustainable living and justice reform to breakthrough technology and the power of grassroots movements.

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Natalie Cargill

How to solve the world's biggest problems

16 minutes 59 seconds

Hannah Ritchie

Are we the last generation — or the first sustainable one?

13 minutes 37 seconds

Aisha Nyandoro

What does "wealth" mean to you?

12 minutes 38 seconds

Sheena Meade

How "second chance" laws could transform the US justice system

8 minutes 55 seconds

Katie Fahey

A crash course in making political change

15 minutes 14 seconds

Tiffani Ashley Bell

How one small idea led to $1 million of paid water bills

11 minutes 57 seconds

Oleksandra Matviichuk

The ordinary people doing extraordinary things in Ukraine

14 minutes 25 seconds

Ali Hajimiri

How wireless energy from space could power everything

10 minutes 54 seconds

Maira Kalman

How to find humor in life's absurdity

14 minutes 28 seconds

Angus Hervey

Why are we so bad at reporting good news?

16 minutes 33 seconds