How to Heat Your Home Without Hurting the Planet | Kathy Hannun | TED Fellows

56,526 views ใƒป 2021-06-28

TED


ืื ื ืœื—ืฅ ืคืขืžื™ื™ื ืขืœ ื”ื›ืชื•ื‘ื™ื•ืช ื‘ืื ื’ืœื™ืช ืœืžื˜ื” ื›ื“ื™ ืœื”ืคืขื™ืœ ืืช ื”ืกืจื˜ื•ืŸ.

ืชืจื’ื•ื: Or Sinai ืขืจื™ื›ื”: Ido Dekkers
00:14
[SHAPE YOUR FUTURE]
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[ืขืฆื‘ื• ืืช ืขืชื™ื“ื›ื]
00:17
One of the hallmarks of living in a technologically advanced society
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ืื—ื“ ืžืกื™ืžื ื™ ื”ื”ื™ื›ืจ ืฉืœ ื—ื™ื™ื ื‘ื—ื‘ืจื” ืžืชืงื“ืžืช ื˜ื›ื ืœื•ื’ื™ืช
00:20
is even the little details of life that seem mundane
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ื–ื” ืฉืืคื™ืœื• ื”ืคืจื˜ื™ื ื”ืงื˜ื ื™ื ืฉืœ ื”ื—ื™ื™ื ืฉื ืจืื™ื ืฉื’ืจืชื™ื™ื
00:24
end up being astonishing,
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ื‘ืกื•ืฃ ืžืชื‘ืจืจื™ื ื›ืžื“ื”ื™ืžื™ื,
00:25
like the fact that it takes five gallons of water to produce a walnut,
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ื›ืžื• ื”ืขื•ื‘ื“ื” ืฉืฆืจื™ืš ื›- 22 ืœื™ื˜ืจ ืฉืœ ืžื™ื ื›ื“ื™ ืœื™ืฆื•ืจ ืื’ื•ื– ืžืœืš
00:29
or that half the plastic that's ever been made
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ืื• ืฉื—ืฆื™ ืžื”ืคืœืกื˜ื™ืง ืฉืื™ ืคืขื ื ื•ืฆืจ
00:32
has been made in the past 15 years.
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ื ื•ืฆืจ ื‘- 15 ื”ืฉื ื™ื ื”ืื—ืจื•ื ื•ืช.
00:34
My favorite of these examples is what it takes
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ื”ื“ื•ื’ืžื” ื”ืื”ื•ื‘ื” ืขืœื™ ื”ืŸ ื”ื“ื•ื’ืžืื•ืช ืฉืœ ืžื” ื–ื” ืžืฆืจื™ืš
00:37
to keep a room room temperature.
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ืœืฉืžืจ ื—ื“ืจ ื‘ื˜ืžืคืจื˜ื•ืจืช ื—ื“ืจ.
00:39
Allow me to explain.
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ื”ืจืฉื• ืœื™ ืœื”ืกื‘ื™ืจ.
00:41
Heating is generally done by combusting a fossil fuel.
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ื—ื™ืžื•ื ื‘ืื•ืคืŸ ื›ืœืœื™ ื ื•ืฆืจ ืขืœ ื™ื“ื™ ืฉืจืคืช ื“ืœืง ืžืื•ื‘ื ื™ื.
00:44
So first, we have to find the fuel.
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ืื– ืงื•ื“ื, ืื ื—ื ื• ืฆืจื™ื›ื™ื ืœืžืฆื•ื ืืช ื”ื“ืœืง ื”ื–ื”.
00:46
Unfortunately, it tends to be buried
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ืœืžืจื‘ื” ื”ืฆืขืจ, ื–ื” ื‘ื“ืจืš ื›ืœืœ ืงื‘ื•ืจ
00:48
more than a kilometer under the earth's surface,
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ื™ื•ืชืจ ืžืงื™ืœื•ืžื˜ืจ ืžืชื—ืช ืคื ื™ ื›ื“ื•ืจ ื”ืืจืฅ,
00:50
and all too often, in inconvenient places,
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ื•ื‘ืจื•ื‘ ื”ืžืงืจื™ื, ื‘ืžืงื•ืžื•ืช ืœื ื ื•ื—ื™ื,
00:52
like the Arctic Circle, nations in conflict
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ื›ืžื• ื‘ื—ื•ื’ ื”ืืจืงื˜ื™, ืžื“ื™ื ื•ืช ื‘ืงื•ื ืคืœื™ืงื˜
00:54
or under the bottom of the ocean.
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ืื• ืžืชื—ืช ืœืงืจืงืขื™ืช ื”ืื•ืงื™ื™ื ื•ืก.
00:56
Then there's the fact that the substance takes 60 to 600 million years
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ื•ื‘ื ื•ืกืฃ, ืขื•ื‘ื“ืชื™ืช, ืœื•ืงื— ืœื—ื•ืžืจ ื”ื–ื” 60 ืขื“ 600 ืžืœื™ื•ืŸ ืฉื ื™ื
01:01
to form from dead plankton.
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ืœื”ื•ื•ืฆืจ ืžืคืœื ืงื˜ื•ืŸ ืžืช.
01:03
So there's that issue.
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ืื– ื–ื• ื”ื‘ืขื™ื”.
01:04
We drill these incredibly deep holes to get it.
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ืื ื—ื ื• ื—ื•ืคืจื™ื ืืช ื”ื—ื•ืจื™ื ื”ืขืžื•ืงื™ื ื”ืืœื” ื›ื“ื™ ืœืงื—ืช ืืช ื–ื”.
01:07
Then we pipe it, truck it
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ืื ื—ื ื• ืžื–ืจื™ืžื™ื ื•ืžืกื™ืขื™ื ืืช ื–ื”.
01:09
and ship it in tankers across the world to refineries,
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ื•ืžื•ื‘ื™ืœื™ื ืืช ื–ื” ื‘ืื ื™ื•ืช ืกื‘ื™ื‘ ื”ืขื•ืœื ืœื‘ืชื™ ื–ื™ืงื•ืง,
01:12
which are these incredibly expensive industrial facilities
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ืฉื”ื ืžืชืงื ื™ื ืชืขืฉื™ื™ืชื™ื ื™ืงืจื™ื ืžืื•ื“
01:15
that take in crude oil and gas,
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ืฉืžืงื‘ืœื™ื ื ืคื˜ ื’ื•ืœืžื™ ื•ื“ืœืง
01:17
which are just a bunch of different hydrocarbon molecules,
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ืฉื”ื ื‘ืขืฆื ืจืง ื›ืžื” ืžื•ืœืงื•ืœื•ืช ืฉื•ื ื•ืช ืฉืœ ืคื—ืžื™ืžืŸ,
01:20
in order to sort those molecules into refined products.
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ืขืœ ืžื ืช ืœืกื“ืจ ืืช ื”ืžื•ืœืงื•ืœื•ืช ื”ืืœื• ืœืžื•ืฆืจื™ื ืžื•ื’ืžืจื™ื.
01:23
Refined natural gas is then delivered to homes and businesses
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ื’ื– ื˜ื‘ืขื™ ืžื–ื•ืงืง ื ืฉืœื— ืœื‘ืชื™ื ื•ื‘ืชื™ ืขืกืง
01:27
via an invisible interstate highway system millions of miles long.
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ื“ืจืš ืžืขืจื›ืช ื›ื‘ื™ืฉื™ื ืžื”ื™ืจื” ื‘ืœืชื™ ื ืจืื™ืช ืฉืœ ืžืœื™ื•ื ื™ ืงื™ืœื•ืžื˜ืจื™ื.
01:32
It's invisible because it's underground.
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ื”ื™ื ื‘ืœืชื™ ื ืจืืช ื‘ื’ืœืœ ืฉื”ื™ื ืชืช ืงืจืงืขื™ืช.
01:34
There's so much pipeline in this system that entire steel mills have been built
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ื™ืฉ ื›ืœ ื›ืš ื”ืจื‘ื” ืฆื ืจืช ื‘ืžืขืจื›ืช ื”ื–ื• ืฉืžืคืขืœื™ ืคืœื“ื” ืฉืœืžื™ื ื ื‘ื ื•
01:39
only to produce pipeline for this system.
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ืจืง ื›ื“ื™ ืœื™ื™ืฆืจ ืืช ืงื• ื”ืฆื ืจืช ืขื‘ื•ืจ ื”ืžืขืจื›ืช ื”ื–ื•.
01:42
And because there are millions of miles of gas
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ื•ื‘ื’ืœืœ ืฉื™ืฉ ืžื™ืœื™ื•ื ื™ ืงื™ืœื•ืžื˜ืจื™ื ืฉืœ ื“ืœืง
01:46
getting pumped beneath us at high pressure at all times,
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ืฉื ืฉืื‘ื™ื ืžืชื—ืชื™ื ื• ื‘ืœื—ืฅ ื’ื‘ื•ื” ื›ืœ ื”ื–ืžืŸ,
01:49
engineers send these intelligent robots called "smart pigs"
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ืžื”ื ื“ืกื™ื ืฉื•ืœื—ื™ื ืืช ื”ืจื•ื‘ื•ื˜ื™ื ื”ื—ื›ืžื™ื ื”ืืœื” ื”ื ืงืจืื™ื โ€œื—ื–ื™ืจื™ื ื—ื›ืžื™ืโ€
01:53
through the pipelines to check for safety defects.
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ื“ืจืš ืงื• ื”ืฆื ืจืช ื›ื“ื™ ืœื‘ื“ื•ืง ืื ื™ืฉ ืคื’ืžื™ ื‘ื˜ื™ื—ื•ืช.
01:56
Doing this is called "pigging the pipeline."
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ื–ื” ื ืงืจื โ€œืœื—ื–ืจื–ืจ ืืช ืงื• ื”ืฆื ืจืช.โ€
01:58
(Pig snort sound)
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(ืงื•ืœ ื ื—ื™ืจืช ื—ื–ื™ืจ)
01:59
Yeah, that's a real thing.
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ื›ืŸ, ื–ื” ื“ื‘ืจ ืืžื™ืชื™.
02:00
But even with these precautions, there are accidents.
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ืื‘ืœ ืืคื™ืœื• ืขื ืืžืฆืขื™ ื”ื‘ื˜ื™ื—ื•ืช ื”ืœืœื•, ื™ืฉื ืŸ ืชืื•ื ื•ืช.
02:03
In 2010, the San Bruno natural gas pipeline exploded in California.
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ื‘- 2010, ื”ืงื• ื”ืฆื ืจืช ืฉืœ ืกืŸ ื‘ืจื•ื ื• ื”ืชืคื•ืฆืฅ ื‘ืงืœื™ืคื•ืจื ื™ื”.
02:08
Eight people died.
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ืฉืžื•ื ื” ืื ืฉื™ื ื ื”ืจื’ื•.
02:10
Eyewitnesses reported the blast looked like a wall of fire 1,000 feet tall.
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ืขื“ื™ ืจืื™ื™ื” ื“ื™ื—ื•ื• ืขืœ ืคื™ืฆื•ืฅ ืฉื ืจืื” ื›ืžื• ืงื™ืจ ืืฉ ื‘ื’ื•ื‘ื” 300 ืžื˜ืจ.
02:15
More recently, in 2018, excess pressure in natural gas pipelines in Massachusetts
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ื™ื•ืชืจ ืœืื—ืจื•ื ื”, ื‘- 2018, ืœื—ืฅ ืขื•ื“ืฃ ื‘ืงื• ื”ืฆื ืจืช ืฉืœ ื”ื’ื– ื”ื˜ื‘ืขื™ ื‘ืžืกืฆโ€™ื•ืกื˜ืก
02:20
resulted in explosions that killed somebody
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ื’ืจื ืœืคื™ืฆื•ืฆื™ื ืฉื”ืจื’ื• ืžื™ืฉื”ื•
02:23
and forced 50,000 others from their homes.
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ื•ืื™ืœืฆื• 50,000 ืื—ืจื™ื ืœืขื–ื•ื‘ ืืช ื‘ืชื™ื”ื.
02:25
But, you know, despite all of this,
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ืื‘ืœ, ืืชื ื™ื•ื“ืขื™ื, ืœืžืจื•ืช ื›ืœ ื–ื”,
02:27
we're actually jealous of people who live close enough to these insane pipelines
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ืื ื—ื ื• ืœืžืขืฉื” ืžืงื ืื™ื ื‘ืื ืฉื™ื ืฉื’ืจื• ืงืจื•ื‘ ืžืกืคื™ืง ืœืงื•ื•ื™ ื”ืฆื ืจืช ื”ืžื˜ื•ืจืคื™ื ื”ืืœื”
02:32
to get gas into their homes,
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ืœืงื‘ืœ ื’ื– ืœืชื•ืš ื‘ืชื™ื”ื,
02:34
because everyone else is stuck with even worse options,
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ื‘ื’ืœืœ ืฉื›ืœ ื”ืื—ืจื™ื ืชืงื•ืขื™ื ืขื ืื•ืคืฆื™ื•ืช ืืคื™ืœื• ื’ืจื•ืขื•ืช ื™ื•ืชืจ
02:38
like fuel oil and propane.
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ื›ืžื• ื“ืœืง ืื• ืคืจื•ืคืŸ.
02:39
These fuels don't have pipelines in place for delivery,
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ืœื“ืœืงื™ื ื”ืืœื” ืื™ืŸ ืงื•ื•ื™ ืฆื ืจืช ืœืžืฉืœื•ื—,
02:42
so instead, tens of thousands of trucks go from home to home
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ื‘ืžืงื•ื ื–ืืช, ืžืื•ืช ืืœืคื™ ืžืฉืื™ื•ืช ื ื•ืกืขื•ืช ืžื‘ื™ืช ืœื‘ื™ืช
02:46
in neighborhoods throughout the country,
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ื‘ืฉื›ื•ื ื•ืช ื‘ืจื—ื‘ื™ ื”ืžื“ื™ื ื”,
02:48
pumping these fuels into tanks in homeowners' basements and yards.
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ืฉื•ืื‘ื™ื ืืช ื”ื“ืœืงื™ื ื”ืืœื• ืœืชื•ืš ืžื™ื›ืœื™ื ื‘ืžืจืชืคื™ ื‘ืชื™ื ื•ื—ืฆืจื•ืช.
02:52
And regardless of what heating fuel you use -- gas, propane or oil --
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ื•ืœืžืจื•ืช ื”ื“ืœืง ืฉื‘ื• ืืชื ืžืฉืชืžืฉื™ื -- ื’ื– ื˜ื‘ืขื™, ืคืจื•ืคืŸ ืื• ื ืคื˜ --
02:56
you better have a carbon monoxide detector
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ืžื•ื˜ื‘ ืฉื™ื”ื™ื” ืœื›ื ื’ืœืื™ ืฉืœ ืคื—ืžืŸ ื“ื• ื—ืžืฆื ื™
02:58
so your heating system doesn't accidentally kill you in the night,
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ื›ื“ื™ ืฉืžืขืจื›ืช ื”ื—ื™ืžื•ื ืฉืœื›ื ืœื ืชื”ืจื•ื’ ืืชื›ื ื‘ื˜ืขื•ืช ื‘ืœื™ืœื”,
03:01
because hundreds of Americans die in exactly that way each year.
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ื‘ื’ืœืœ ืฉืืœืคื™ ืืžืจื™ืงืื™ื ืžืชื™ื ื‘ื“ื™ื•ืง ื‘ื“ืจืš ื”ื–ื• ื›ืœ ืฉื ื”.
03:05
So that's the system we have today.
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ืื– ื–ื• ื”ืžืขืจื›ืช ืฉื™ืฉ ืœื ื• ื”ื™ื•ื.
03:08
Safe to say, it has some downsides.
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ื‘ื˜ื•ื— ืœื”ื’ื™ื“ ืฉื™ืฉ ืœื” ื›ืžื” ื—ืกืจื•ื ื•ืช.
03:11
Don't get me wrong -- it's a marvel of human ingenuity,
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ืื‘ืœ ืืœ ืชื‘ื™ื ื• ืื•ืชื™ ืœื ื ื›ื•ืŸ -- ื–ื”ื• ื ืก ื›ื•ืฉืจ ื”ืžืฆืื” ืื ื•ืฉื™,
03:13
but with some pretty serious drawbacks.
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ืื‘ืœ ืขื ื›ืžื” ืคื’ืžื™ื ื“ื™ ืจืฆื™ื ื™ื™ื .
03:16
And the rigamarole of conventional heating feels even more over the top
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ื•ื›ืœ ื”ื“ื‘ืจื™ ื”ื‘ืœื™ื ืขืœ ืžืขืจื›ื•ืช ื—ื™ืžื•ื ืฉื’ืจืชื™ื•ืช ืžืจื’ื™ืฉ ืืคื™ืœ ื™ื•ืชืจ ืžื•ืคืจื–
03:20
when you consider that every home
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ื›ืืฉืจ ืœื•ืงื—ื™ื ื‘ื—ืฉื‘ื•ืŸ ืฉื›ืœ ื‘ื™ืช
03:21
is already sitting right on top of a vast reservoir of renewable energy:
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ื›ื‘ืจ ื ืžืฆื ืขืœ ื’ื‘ื™ ืžืื’ืจ ืฉืœ ืื ืจื’ื™ื” ืžืชื—ื“ืฉืช:
03:26
geothermal energy.
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ืื ืจื’ื™ื” ื’ืื•ืชืจืžื™ืช.
03:28
Let's talk about geothermal energy.
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ื‘ื•ืื• ื ื“ื‘ืจ ืขืœ ืื ืจื’ื™ื” ื’ืื•ืชืจืžื™ืช.
03:30
Starting a few feet under the earth's surface,
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ื”ื—ืœ ืžื›ืžื” ืžื˜ืจื™ื ืžืชื—ืช ืœืคื ื™ ื›ื“ื•ืจ ื”ืืจืฅ,
03:32
the ground is awash in thermal energy.
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ื”ืื“ืžื” ืžื•ืฆืคืช ื‘ืื ืจื’ื™ืช ื—ื•ื.
03:35
This is why caves and wine cellars, they never get too hot or too cold.
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ื–ื• ื”ืกื™ื‘ื” ืฉืžืขืจื•ืช ื•ืžืจืชืคื™ ื™ื™ืŸ, ืœืขื•ืœื ืœื ืžืชื—ืžืžื™ื ืื• ืžืชืงืจืจื™ื ืžื“ื™.
03:38
They're just bathed in this low-grade heat.
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ื”ื ืจืง ืจื•ื—ืฆื™ื ื‘ื—ื•ื ื”ื ืžื•ืš ื”ื–ื”.
03:41
Geothermal heating systems draw on this heat,
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ืžืขืจื›ื•ืช ื—ื™ืžื•ื ื’ืื•ืชืจืžื™ื•ืช ืžื ืฆืœื•ืช ืืช ื”ื—ื™ืžื•ื ื”ื–ื”,
03:43
using what are called "ground loops,"
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ืขืœ ื™ื“ื™ ืฉื™ืžื•ืฉ ื‘ืžื” ืฉื ืงืจื โ€ืœื•ืœืื•ืช ืงืจืงืข,โ€
03:45
which are just simple plastic pipes buried under the yard.
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ืฉื”ืŸ ื‘ืกืš ื”ื›ืœ ืฆื™ื ื•ืจื•ืช ืคืœืกื˜ื™ืง ืฉืงื‘ื•ืจื™ื ืžืชื—ืช ืœื—ืฆืจ.
03:48
These ground loops are then connected to a heat pump that sits inside the home,
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ืœื•ืœืื•ืช ื”ืงืจืงืข ื”ืœืœื• ืžื—ื•ื‘ืจื•ืช ืœืžืฉืื‘ืช ื—ื•ื ืฉื ืžืฆืืช ื‘ืชื•ืš ื”ื‘ื™ืช,
03:52
typically where a furnace once was.
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ื‘ืื•ืคืŸ ื˜ื™ืคื•ืกื™ ืื™ืคื” ืฉื”ื™ื” ืคืขื ื›ื‘ืฉืŸ.
03:54
More and more homeowners are choosing geothermal over fuel-based options.
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ื™ื•ืชืจ ื•ื™ื•ืชืจ ื‘ืขืœื™ ื‘ื™ืช ื‘ื•ื—ืจื™ื ื‘ื—ื™ืžื•ื ื’ืื•ืชืจืžื™ ืขืœ ื’ื‘ื™ ื—ื™ืžื•ื ืžื‘ื•ืกืก ื“ืœืง.
03:59
I see this shift up close every day,
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ืื ื™ ืจื•ืื” ืืช ื”ืฉื™ื ื•ื™ ื”ื–ื” ืžืงืจื•ื‘ ื‘ื›ืœ ื™ื•ื,
04:01
because I cofounded a company to create a new kind of ground-up utility
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ื‘ื’ืœืœ ืฉื”ืงืžืชื™ ื‘ืฉื•ืชืคื•ืช ื—ื‘ืจื” ื›ื“ื™ ืœื™ืฆื•ืจ ืืช ื”ืกื•ื’ ื”ื—ื“ืฉ ืฉืœ ื”ืฉื™ืจื•ืช ื”ื–ื”
04:05
by making it as easy and inexpensive as possible
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ืขืœ ื™ื“ื™ ื”ืคื™ื›ืชื• ืœืงืœ, ืœื ื™ืงืจ ื•ืืคืฉืจื™
04:08
to switch from conventional heating to geothermal.
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ืœื”ื—ืœื™ืฃ ืžื—ื™ืžื•ื ืงื•ื ื‘ื ืฆื™ื•ื ืœื™ ืœื—ื™ืžื•ื ื’ืื•ืชืจืžื™.
04:11
We've done this by creating a service
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ืขืฉื™ื ื• ื–ืืช ืขืœ ื™ื“ื™ ื™ืฆื™ืจืช ืฉื™ืจื•ืช
04:13
where homeowners can fill out a form on our website,
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ื‘ื• ื‘ืขืœื™ ื‘ื™ืช ื™ื›ื•ืœื™ื ืœืžืœื ื˜ื•ืคืก ื‘ืืชืจ ืฉืœื ื•,
04:15
we design a geothermal heating system for them,
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ืื ื—ื ื• ืžืขืฆื‘ื™ื ืžืขืจื›ืช ื—ื™ืžื•ื ื’ืื•ืชืจืžื™ืช ืขื‘ื•ืจื,
04:17
and then we install that system using purpose-built tools and equipment.
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ื•ืื– ืื ื—ื ื• ืžืชืงื™ื ื™ื ืืช ื”ืžืขืจื›ืช ื”ื–ื• ืขืœ ื™ื“ื™ ืฉื™ืžื•ืฉ ื›ืœื™ื ื•ืฆื™ื•ื“ ืžื™ื•ื—ื“.
04:21
Once the installation is done,
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ื›ืืฉืจ ื”ื”ืชืงื ื” ื”ื•ืฉืœืžื”,
04:22
that home will have moved on from fossil heating forever,
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ื”ื‘ื™ืช ื”ื–ื” ื”ืชืงื“ื ืžื—ื™ืžื•ื ืžื‘ื•ืกืก ื“ืœืง ืœื ืฆื—,
04:25
because those ground loops, they'll last as long as the home itself.
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ื‘ื’ืœืœ ืฉืœื•ืœืื•ืช ื”ืงืจืงืข ื”ืืœื•, ื™ื—ื–ื™ืงื• ื›ืžื• ื”ื‘ื™ืช ืขืฆืžื•.
04:28
As each home switches over, a new kind of utility is taking hold --
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ื›ืฉื›ืœ ื‘ื™ืช ืขื•ื‘ืจ, ืกื•ื’ ื—ื“ืฉ ืฉืœ ื›ืœื™ ืฉื™ืจื•ืช ืชื•ืคืก -
04:32
a distributed utility,
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ืฉื™ืจื•ืช ืžื‘ื•ื–ืจ
04:34
made up of homes exchanging renewable energy with the ground.
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ืฉืขืฉื•ื™ ืžื‘ื™ืช ืฉืžื—ืœื™ืฃ ืื ืจื’ื™ื” ืžืชื—ื“ืฉืช ืขื ื”ืื“ืžื”.
04:38
This new infrastructure is simple, local and inexpensive to operate,
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ื”ืชืฉืชื™ืช ื”ื—ื“ืฉื” ื”ื–ื• ื”ื™ื ืคืฉื•ื˜ื”, ืžืงื•ืžื™ืช ื•ืœื ื™ืงืจื” ืœืชืคืขื•ืœ,
04:43
and it represents a permanent and wholesale shift
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ื•ื”ื™ื ืžื™ื™ืฆื’ืช ืฉื™ื ื•ื™ ื›ื™ื•ื•ืŸ ืงื‘ื•ืข ื•ืกื™ื˜ื•ื ืื™
04:45
away from fossil fuels.
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ื”ืจื—ืง ืžื“ืœืง ืžืื•ื‘ื ื™ื.
04:47
The groundwork is being laid, so to speak,
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ื”ื™ืกื•ื“ื•ืช ืžื•ื ื—ื™ื, ื›ืžื• ืฉืื•ืžืจื™ื
04:49
for the idea that maybe we don't need to destroy the world
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ืœืจืขื™ื•ืŸ ืฉืื•ืœื™ ืื ื—ื ื• ืœื ืฆืจื™ื›ื™ื ืœื”ืจื•ืก ืืช ื”ืขื•ืœื
04:52
in order to keep our rooms at a comfortable temperature.
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ื›ื“ื™ ืœืฉืžืจ ืืช ื”ื—ื“ืจ ืฉืœื ื• ื‘ื˜ืžืคืจื˜ื•ืจื” ื ื•ื—ื”.
04:55
Let's leave the Arctic Circle and the seafloor alone,
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ื‘ื•ืื• ื ืขื–ื•ื‘ ืืช ื”ื—ื•ื’ ื”ืืจืงื˜ื™ ื•ืืช ืงืจืงืขื™ืช ื”ื™ื ื‘ืžื ื•ื—ื”,
04:58
bypass the refineries and the pipelines
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ื ืขืงื•ืฃ ืืช ื‘ืชื™ ื”ื–ื™ืงื•ืง ื•ืงื•ื•ื™ ื”ืฆื ืจืช
05:00
and stop worrying that our families will accidentally be poisoned in the night.
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ื•ื ืคืกื™ืง ืœื“ืื•ื’ ืฉื”ืžืฉืคื—ื•ืช ืฉืœื ื• ื™ื•ืจืขืœื• ื‘ืžืงืจื” ื‘ืืžืฆืข ื”ืœื™ืœื”.
05:04
Instead, let's use the massive amounts of energy
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ื‘ืžืงื•ื, ื‘ื•ืื• ื ืฉืชืžืฉ ื‘ื›ืžื•ื™ื•ืช ื”ืขืฆื•ืžื•ืช ืฉืœ ืื ืจื’ื™ื”
05:07
that are already right there for the taking,
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ืฉื ืžืฆืื•ืช ื›ืืŸ ื›ื‘ืจ ื•ื–ืžื™ื ื•ืช,
05:10
right beneath every building on earth.
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ืžืžืฉ ืžืชื—ืช ื›ืœ ื‘ื ื™ื™ืŸ ืขืœ ื›ื“ื•ืจ ื”ืืจืฅ.
05:13
Thank you.
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ืชื•ื“ื”.
ืขืœ ืืชืจ ื–ื”

ืืชืจ ื–ื” ื™ืฆื™ื’ ื‘ืคื ื™ื›ื ืกืจื˜ื•ื ื™ YouTube ื”ืžื•ืขื™ืœื™ื ืœืœื™ืžื•ื“ ืื ื’ืœื™ืช. ืชื•ื›ืœื• ืœืจืื•ืช ืฉื™ืขื•ืจื™ ืื ื’ืœื™ืช ื”ืžื•ืขื‘ืจื™ื ืขืœ ื™ื“ื™ ืžื•ืจื™ื ืžื”ืฉื•ืจื” ื”ืจืืฉื•ื ื” ืžืจื—ื‘ื™ ื”ืขื•ืœื. ืœื—ืฅ ืคืขืžื™ื™ื ืขืœ ื”ื›ืชื•ื‘ื™ื•ืช ื‘ืื ื’ืœื™ืช ื”ืžื•ืฆื’ื•ืช ื‘ื›ืœ ื“ืฃ ื•ื™ื“ืื• ื›ื“ื™ ืœื”ืคืขื™ืœ ืืช ื”ืกืจื˜ื•ืŸ ืžืฉื. ื”ื›ืชื•ื‘ื™ื•ืช ื’ื•ืœืœื•ืช ื‘ืกื ื›ืจื•ืŸ ืขื ื”ืคืขืœืช ื”ื•ื•ื™ื“ืื•. ืื ื™ืฉ ืœืš ื”ืขืจื•ืช ืื• ื‘ืงืฉื•ืช, ืื ื ืฆื•ืจ ืื™ืชื ื• ืงืฉืจ ื‘ืืžืฆืขื•ืช ื˜ื•ืคืก ื™ืฆื™ืจืช ืงืฉืจ ื–ื”.

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