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Anglais 9:35 TED Talks

How to Power the World 24/7 — Without Oil | Cindy Taff | TED

TED · 193,743 vues · Ajouté il y a 3 jours

Sous-titres (166 segments)

00:08

OK, so if you can't tell already,

00:10

I'm from Texas.

00:11

(Cheers and applause)

00:16

And I also spent my career in the oil and gas industry.

00:19

So do you hate me yet?

00:21

(Laughter)

00:23

Let's hope not.

00:24

So I went into oil and gas because energy is life.

00:29

And I wanted to be able to provide people with lights, air conditioning, heat,

00:35

and, of course, the ability to watch funny cat videos on their phone.

00:40

(Laughter)

00:41

But energy also evolves.

00:43

So humans used to burn wood for heat and light.

00:47

We then transitioned to whale oil and to coal, and then to oil and gas.

00:53

But we're now using renewables, like solar and wind.

00:58

And it's this exciting evolution

01:00

to clean, renewable energy

01:04

that inspired me to leave Shell

01:07

and start my own geothermal company with my partners.

01:11

And so we're now using that mud-on-your-boots know-how

01:14

from the oil and gas industry

01:16

to drill for heat instead of for hydrocarbons.

01:20

So most people don't know this,

01:21

but there's a lot of heat deep in the Earth.

01:24

And the deeper you drill, the hotter it gets.

01:28

And this heat, this energy,

01:31

it's always on, it's clean,

01:35

and it actually holds 50,000 times more energy

01:39

than all of the oil and gas reserves

01:42

on the planet.

01:44

So why am I still talking about oil and gas?

01:49

It's because we're going to take the technologies

01:52

that the oil and gas have developed over the last 100 years,

01:56

at a cost of trillions of dollars,

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