David Attenborough: A Life on Our Planet · 2020 — 第 16 / 17 章 · 3'29" · C1

Attenborough Links Diet to Land, Explained:make space for

The narration frames diet as a land-use problem: farmland must shrink so wilderness can return. The surface is a practical proposal; underneath is a warning about consumption. "Whenever we choose a piece of meat, we too are unwittingly demanding a huge expanse of space."

あらすじ

The narrator argues that to restore wilderness, farmland must shrink, and the fastest route is changing what we eat. It uses the Serengeti's predator-prey ratio and the Netherlands' high-yield farms to show how diet, meat production, and land use are linked.

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注目の表現

when it comes tomake space forunwittinglylargely plant-based

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  1. ❝ 独白From prey math to half the land7 行練習ページ ↗
  2. ❝ 独白A small country's export twist8 行練習ページ ↗
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このシーンの表現

make space for

clear room so something can exist

Cutting farmland is not about doing less work: make space for gives the freed ground to wilderness that is coming back, and the tone is non-negotiable, not a discussion.

We moved the boxes to make space for a second monitor.

このシーンの他の表現

  • when it comes to

    shifting the talk to a topic

  • unwittingly

    without intending to

  • largely plant-based

    mostly plants, not plants only

  • no room for

    no spare capacity left

  • getting the most out of

    take full value from a limited thing

このシーンのメモ一覧

26 行のセリフに 29 件のメモ

表現 · B1when it comes to something

shifting the talk to a topic

The phrase narrows the subject to land before the demand to farm less.

When it comes to the land,
表現 · B2radically reduce something

cut something sharply

we must radically reduce the area we use to farm, so that we can make space for returning wilderness.
表現 · B1make space for something

clear room so something can exist

Cutting farmland is not about doing less work: make space for gives the freed ground to wilderness that is coming back, and the tone is non-negotiable, not a discussion.

we must radically reduce the area we use to farm, so that we can make space for returning wilderness.
文法 · B1so that we can

purpose clause: so that marks why farmland is cut: to leave room for wilderness.

we must radically reduce the area we use to farm, so that we can make space for returning wilderness.
文法 · B1the area we use to farm

contact clause: The words after area say which land, with that left out.

we must radically reduce the area we use to farm, so that we can make space for returning wilderness.
発音radically reduce

Put the weight on radically and let reduce stay light.

we must radically reduce the area we use to farm, so that we can make space for returning wilderness.
表現 · B2the quickest and most effective way to do something

the fastest method that also works best

And the quickest and most effective way to do that is for us to change our diet.
表現 · A2it takes a lot of something to do something

a large amount is required

Large carnivores are rare in nature because it takes a lot of prey to support each of them.
発音a lot of

Keep lot of together and don't stop on the t.

Large carnivores are rare in nature because it takes a lot of prey to support each of them.
表現 · B2a huge expanse of something

a very wide stretch of

Whenever we choose a piece of meat, we too are unwittingly demanding a huge expanse of space.
発音isn't the space

Leave the end of isn't and move into the.

There just isn't the space.
表現 · B2largely plant-based

mostly plants, not plants only

The diet is hypothetical and mostly plants; largely keeps it from being a total ban.

If we all had a largely plant-based diet,
文法 · B2If we all had

hypothetical if: The if-clause treats the diet change as imagined, not already done.

If we all had a largely plant-based diet,
表現 · A2at the moment

in the present period

we would need only half the land we use at the moment.
発音at the moment

Shorten at and the; leave the beat on moment.

we would need only half the land we use at the moment.
表現 · B2increase the yield of something

get more from the same ground

And because we would be then dedicated to raising plants, we could increase the yield of this land substantially.
表現 · B1no room for something

no spare capacity left

No room for expansion means the farms cannot spread outward, not that a house is full.

It's covered with small family-run farms with no room for expansion.
表現 · B2get the most out of something

take full value from a limited thing

After expansion is ruled out, the phrase praises squeezing more food from each fixed hectare.

So, Dutch farmers have become expert at getting the most out of every hectare.
表現 · C1raise something tenfold

multiply output by ten

Raising yields tenfold in two generations
表現 · A2at the same time

together, not one after another

while at the same time using less water, fewer pesticides,
文法 · B2while at the same time using

participle clause: Using adds no new subject; the savings happen alongside higher yields.

while at the same time using less water, fewer pesticides,
表現 · B2emit less carbon

release less carbon

less fertilizer and emitting less carbon.
表現 · B1the second largest something

ranked number two

Despite its size, the Netherlands is now the world's second largest exporter of food.
表現 · B2both low-tech and hi-tech

simple tools and advanced tools together

It's entirely possible for us to apply both low-tech and hi-tech solutions to produce much more food from much less land.
表現 · B1no something at all

none whatsoever

Even in places where there's no land at all.
表現 · B1ever since something

continuously from that point on

we'll start to reverse the land-grab that we've been pursuing ever since we began to farm,
表現 · B2an urgent need for something

a pressing requirement for

which is essential because we have an urgent need for all that free land.
表現 · B2free land

land made available again not land without a price, but land no longer taken by farms

which is essential because we have an urgent need for all that free land.
文法 · B2which is essential because

nested clause: Which points back to freeing land; because says why it cannot wait.

which is essential because we have an urgent need for all that free land.

「Attenborough Links Diet to Land」を読み解く

What's really going on

The argument works by making an abstract land-use debate feel personal. The Serengeti ratio turns a plate of meat into a measurement of space: predators need a huge amount of prey, and the narration suggests human meat consumption makes a similar claim on land. Then the Netherlands section shifts from warning to proof, showing that high yields and new growing spaces could allow farming to retreat. The rhetorical pivot is sharp: "The planet can't support billions of large meat-eaters." It sounds like a statement about wildlife until "meat-eaters" is applied to us. The scene is not anti-farming; it is arguing that efficiency, diet change, and rewilding have to be discussed together.

Theme

SurvivalThe predator-prey ratio and the planet's limited space frame food as a survival question, not just a lifestyle choice.
DutyThe repeated 'we'—'we must,' 'we too'—turns diet and land use into a shared obligation, not an individual preference.

発音のポイント

  • radically reduce — Put the weight on radically and let reduce stay light.
  • a lot of — Keep lot of together and don't stop on the t.
  • isn't the space — Leave the end of isn't and move into the.
  • at the moment — Shorten at and the; leave the beat on moment.
we must radically reduce the area we use to farm, so that we can make space for returning wilderness.

Farming must take up far less land; the freed space is meant for wilderness to come back.

Whenever we choose a piece of meat, we too are unwittingly demanding a huge expanse of space.

A food choice is also a land-use choice: even without meaning to, choosing meat requires a huge expanse of space.

The planet can't support billions of large meat-eaters.

If billions of people eat like large carnivores, the land and resources needed would exceed what Earth can provide.

Despite its size, the Netherlands is now the world's second largest exporter of food.

A small country can still be a farming giant; the example challenges the assumption that more land is the only way to produce more food.

It's entirely possible for us to apply both low-tech and hi-tech solutions to produce much more food from much less land.

The goal is not one miracle technology but a mix of simple and advanced methods that raises output while using less land.

このシーンについての質問

Why does the narration compare people to large meat-eaters?

It uses the predator-prey ratio to make a point about scale. Large carnivores need a huge amount of prey and space, and the line 'The planet can't support billions of large meat-eaters' extends that limit to human meat consumption.

Why does the Netherlands appear in the argument?

It is presented as proof that output does not depend on endless land. The country is densely populated, its farms have 'no room for expansion,' yet it is the world's second largest food exporter.

Does the scene require a completely vegan diet?

No. The wording is 'largely plant-based,' and the claim is that such a diet would need only half the land used at the moment. It does not say all animal products must disappear.

How does a piece of meat demand land?

The scene links the choice to land use. It says that whenever we choose meat, we are 'unwittingly demanding a huge expanse of space,' even if we do not think about it.

デヴィッド・アッテンボロー: 地球に暮らす生命 · 全 17 章

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