Показване само
0:00
S… Speaker 1 (一、人与自然)
一人与自然。
0:01
S… Speaker 1 (一、人与自然)
一自然环境自然一场保护。
0:05
S… Speaker 1 (一、人与自然)
Vulnerable.
0:06
S… Speaker 1 (一、人与自然)
Vulnerable.
0:08
S… Speaker 1 (一、人与自然)
Their Arctic home is vulnerable to climate
0:13
S… Speaker 1 (一、人与自然)
change, and this year,
0:14
S… Speaker 1 (一、人与自然)
there's been even less ice than normal.
0:17
S… Speaker 1 (一、人与自然)
Extreme.
0:18
S… Speaker 1 (一、人与自然)
Extreme.
0:20
S… Speaker 1 (一、人与自然)
If future ice melts are as extreme as
0:24
S… Speaker 1 (一、人与自然)
this one, bears like these may starve or drown.
0:27
S… Speaker 1 (一、人与自然)
Lost at sea.
0:29
S… Speaker 1 (一、人与自然)
Critical.
0:30
S… Speaker 1 (一、人与自然)
Critical.
0:34
S… Speaker 1 (一、人与自然)
And for one animal,
0:35
S… Speaker 1 (一、人与自然)
this is a critical issue.
0:37
S… Speaker 1 (一、人与自然)
Truckload.
0:44
S… Speaker 1 (一、人与自然)
Truckload.
0:46
S… Speaker 1 (一、人与自然)
Every minute,
0:48
S… Speaker 1 (一、人与自然)
a truckload of plastic goes into the sea.
0:51
S… Speaker 1 (一、人与自然)
Floats.
0:53
S… Speaker 1 (一、人与自然)
Floats.
0:55
S… Speaker 1 (一、人与自然)
Plastic floats on top,
0:58
S… Speaker 1 (一、人与自然)
mixes with water,
1:00
S… Speaker 1 (一、人与自然)
and sits at the bottom of the ocean.
1:02
S… Speaker 1 (一、人与自然)
Microplastics.
1:07
S… Speaker 1 (一、人与自然)
Instead,
1:08
S… Speaker 1 (一、人与自然)
it breaks into tiny pieces called microplastics.
1:11
S… Speaker 1 (一、人与自然)
Disappears.
1:13
S… Speaker 1 (一、人与自然)
Disappears.
1:15
S… Speaker 1 (一、人与自然)
It never disappears.
1:18
S… Speaker 1 (一、人与自然)
Carnage.
1:19
S… Speaker 1 (一、人与自然)
Carnage.
1:22
S… Speaker 1 (一、人与自然)
Morning brings a scene of carnage.
1:25
S… Speaker 1 (一、人与自然)
Treetop.
1:27
S… Speaker 1 (一、人与自然)
Treetop.
1:29
S… Speaker 1 (一、人与自然)
Up in a treetop,
1:32
S… Speaker 1 (一、人与自然)
he's been gathering a secret supply that the big guys didn't find.
1:35
S… Speaker 1 (一、人与自然)
Squirrel.
1:37
S… Speaker 1 (一、人与自然)
Squirrel.
1:41
S… Speaker 1 (一、人与自然)
A red squirrel.
1:42
S… Speaker 1 (一、人与自然)
He's collecting pine cone seeds to help feed him through the long
1:46
S… Speaker 1 (一、人与自然)
winter ahead.
1:47
S… Speaker 1 (一、人与自然)
Seep.
1:48
S… Speaker 1 (一、人与自然)
Seep.
1:49
S… Speaker 1 (一、人与自然)
With a mental map formed over decades,
1:52
S… Speaker 1 (一、人与自然)
she's brought the family to an ancient Seep.
1:55
S… Speaker 1 (一、人与自然)
Lifeline.
1:57
S… Speaker 1 (一、人与自然)
Lifeline.
1:59
S… Speaker 1 (一、人与自然)
It's a hidden lifeline in times of drought.
2:03
S… Speaker 1 (一、人与自然)
Drought.
2:04
S… Speaker 1 (一、人与自然)
Drought.
2:05
S… Speaker 1 (一、人与自然)
It's a hidden lifeline in times of drought.
2:09
S… Speaker 1 (一、人与自然)
Calves.
2:10
S… Speaker 1 (一、人与自然)
Calves.
2:14
S… Speaker 1 (一、人与自然)
But for calves,
2:15
S… Speaker 1 (一、人与自然)
it's more of a challenge.
2:16
S… Speaker 1 (一、人与自然)
Tusks.
2:18
S… Speaker 1 (一、人与自然)
Tusks.
2:20
S… Speaker 1 (一、人与自然)
They won't have tusks to dig with until they're two years
2:24
S… Speaker 1 (一、人与自然)
old.
2:24
S… Speaker 1 (一、人与自然)
Substantial.
2:30
S… Speaker 1 (一、人与自然)
Substantial.
2:32
S… Speaker 1 (一、人与自然)
Underwater bubbles are pockets of gas that are
2:36
S… Speaker 1 (一、人与自然)
trapped within liquids,
2:37
S… Speaker 1 (一、人与自然)
a mixture much more substantial than air,
2:40
S… Speaker 1 (一、人与自然)
but considerably softer and less dense than water.
2:43
S… Speaker 1 (一、人与自然)
Exploit.
2:45
S… Speaker 1 (一、人与自然)
Exploit.
2:49
S… Speaker 1 (一、人与自然)
Animals that spend a lot of time underwater have some incredible ways of
2:53
S… Speaker 1 (一、人与自然)
exploiting the fact that bubbles reduce the density of water.
2:57
S… Speaker 1 (一、人与自然)
Release.
2:58
S… Speaker 1 (一、人与自然)
Release.
3:00
S… Speaker 1 (一、人与自然)
They store air in their feathers,
3:04
S… Speaker 1 (一、人与自然)
which they release as clouds of bubbles.
3:07
S… Speaker 1 (一、人与自然)
Reliable.
3:08
S… Speaker 1 (一、人与自然)
Reliable.
3:10
S… Speaker 1 (一、人与自然)
Unlike solar or wind power,
3:14
S… Speaker 1 (一、人与自然)
wave energy is reliable working day and night and
3:18
S… Speaker 1 (一、人与自然)
getting stronger in bad weather.
3:19
S… Speaker 1 (一、人与自然)
Efficiently.
3:22
S… Speaker 1 (一、人与自然)
Efficiently.
3:23
S… Speaker 1 (一、人与自然)
Technology now lets us capture this
3:27
S… Speaker 1 (一、人与自然)
energy more efficiently.
3:29
S… Speaker 1 (一、人与自然)
They need
3:34
S… Speaker 1 (一、人与自然)
to be tough and protected against rust and water.
3:38
S… Speaker 1 (一、人与自然)
Adopting.
3:45
S… Speaker 1 (一、人与自然)
Adopting.
3:47
S… Speaker 1 (一、人与自然)
They're adopting a greener family lifestyle
3:51
S… Speaker 1 (一、人与自然)
for a TV show called Urban Conversion.
3:54
S… Speaker 1 (一、人与自然)
Responsible.
3:59
S… Speaker 1 (一、人与自然)
But his wife,
4:00
S… Speaker 1 (一、人与自然)
Gina,
4:01
S… Speaker 1 (一、人与自然)
is in favor of a life that is environmentally responsible and closer
4:05
S… Speaker 1 (一、人与自然)
to nature.
4:06
S… Speaker 1 (一、人与自然)
Comfort.
4:07
S… Speaker 1 (一、人与自然)
Comfort.
4:09
S… Speaker 1 (一、人与自然)
Rodman has promised to learn how to live a more
4:13
S… Speaker 1 (一、人与自然)
eco -friendly life,
4:15
S… Speaker 1 (一、人与自然)
but he'll have to step outside his comfort zone to succeed.
4:18
S… Speaker 1 (一、人与自然)
Bathed.
4:23
S… Speaker 1 (一、人与自然)
Bathed.
4:24
S… Speaker 1 (一、人与自然)
The earth is bathed in a flood of energy from the sun.
4:28
S… Speaker 1 (一、人与自然)
Glowing.
4:29
S… Speaker 1 (一、人与自然)
Glowing.
4:33
S… Speaker 1 (一、人与自然)
This is a star that's glowing red.
4:35
S… Speaker 1 (一、人与自然)
Indicates.
4:36
S… Speaker 1 (一、人与自然)
Indicates.
4:39
S… Speaker 1 (一、人与自然)
This color indicates a temperature of nearly
4:43
S… Speaker 1 (一、人与自然)
10 ,000 degrees.
4:44
S… Speaker 1 (一、人与自然)
Aging.
4:46
S… Speaker 1 (一、人与自然)
Aging.
4:48
S… Speaker 1 (一、人与自然)
From this,
4:50
S… Speaker 1 (一、人与自然)
we know we're looking at an aging star coming to the end of its life.

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