Alternative energy

Can we find an alternative to fossil fuels? Watch these TED talks, in which scientists, inventors, entrepreneurs and activists share visionary ideas — wind, solar, even next-gen batteries — for the energy of tomorrow.

Video playlists about Alternative energy

The end of oil?

13 talks • 3h 23m
It's the question of our generation: Can we find a sustainable alternative to oil? Scientists, inventors and activists present stern warnings and visionary solutions for the energy of tomorrow.

Talks about Alternative energy

12:41

Sebastien de Halleux

How a fleet of wind-powered drones is changing our understanding of the ocean

Posted Nov 2018
12:22

Johan Rockström

5 transformational policies for a prosperous and sustainable world

Posted Oct 2018
12:18

Angel Hsu

How China is (and isn't) fighting pollution and climate change

Posted Aug 2018
14:15

Jennifer Wilcox

A new way to remove CO2 from the atmosphere

Posted Jul 2018
8:56

Tim Kruger

Can we stop climate change by removing CO2 from the air?

Posted Oct 2017
13:46

Joe Lassiter

We need nuclear power to solve climate change

Posted Nov 2016
13:58

Michael Shellenberger

How fear of nuclear power is hurting the environment

Posted Sep 2016
15:52

Monica Araya

A small country with big ideas to get rid of fossil fuels

Posted Aug 2016
12:21

Molly Winter

The taboo secret to better health

Posted Aug 2016
14:51

Christiana Figueres

The inside story of the Paris climate agreement

Posted Apr 2016
18:54

Tshering Tobgay

This country isn't just carbon neutral — it's carbon negative

Posted Mar 2016
25:20

Al Gore

The case for optimism on climate change

Posted Feb 2016
12:50

Michel Laberge

How synchronized hammer strikes could generate nuclear fusion

Posted Apr 2014
12:53

Taylor Wilson

My radical plan for small nuclear fission reactors

Posted Apr 2013
14:45

Jonathan Trent

Energy from floating algae pods

Posted Sep 2012
10:25

Boaz Almog

The levitating superconductor

Posted Jul 2012
See all 42 talks on Alternative energy

Exclusive articles about Alternative energy

Meet 3 people who might just save the world

It can be easy to feel hopeless when it comes to the global climate. Meet three leaders who are actually making a difference. What does “making a real difference about climate ...