each of the other kinds not every second species, but all the others
Every other species on Earth reaches a maximum population after a time.David Attenborough: A Life on Our Planet · 2020 — 第 13 / 17 章 · 2'40" · B2
Human Population Peak, Explained：level off
The voiceover compares human numbers with every other species, then uses Japan's falling birth rate to argue that annual births can level off. The argument turns on timing: “The sooner it happens, the easier it makes everything else we have to do.”
あらすじ
The narration lays out a global population curve: other species hit a maximum, while human numbers keep rising. It turns to Japan, where improved healthcare and education coincided with fewer births, then argues that ending poverty and keeping girls in school could make the global population peak sooner and lower.
注目の表現
maximum populationon current projectionsstandard of livinglevel off
00:00 / 02:40Space 再生 · ← → セリフ移動 · R リピート
いま
このシーンの表現
level off
stop rising and stay roughly flat
Yearly births are about to flatten; the line does not say the number of people already has.
Ticket sales should level off once the opening weekend is over.
このシーンの他の表現
- maximum population
the highest number a population can reach
- on current projections
if today's forecasts continue to hold
- standard of living
how comfortably people are able to live
- the sooner, the easier
earlier timing makes the rest less hard
- raise people out of poverty
help people leave poverty behind
このシーンのメモ一覧
23 行のセリフに 29 件のメモ
Let the end of reaches run into a without a pause.
Every other species on Earth reaches a maximum population after a time.can be kept going by what is available
The number that can be sustained on the natural resources available.relative clause: The that-clause defines which number resources can support.
The number that can be sustained on the natural resources available.increase in a striking way
With nothing to restrict us, our population has been growing dramatically throughout my lifetime.if today's forecasts continue to hold
The short preface keeps the next figure in the realm of a forecast rather than a fact.
On current projections,bring the rise in numbers to a halt
But it's possible to slow, even to stop population growth well before it reaches that point.how comfortably people are able to live
Japan is the worked example, and living standards have to rise before fewer births can follow.
Japan's standard of living climbed rapidly in the latter half of the 20th century.Keep of light and stress standard and living.
Japan's standard of living climbed rapidly in the latter half of the 20th century.how many babies are born in a period
people's expectations and opportunities grew, and the birth rate fell.has stayed nearly the same
The result is that the population has now stabilized and has hardly changed since the millennium.early evidence, not a final proof
There are signs that this has started to happen across the globe.everywhere in the world
There are signs that this has started to happen across the globe.decide to raise a smaller family
As nations develop everywhere, people choose to have fewer children.on the point of happening
The number of children being born worldwide every year is about to level off.stop rising and stay roughly flat
Yearly births are about to flatten; the line does not say the number of people already has.
The number of children being born worldwide every year is about to level off.having more years of life
A key reason the population is still growing is because many of us are living longer.because clause: Because restates the reason and puts the point on longer lives.
A key reason the population is still growing is because many of us are living longer.never before; this would be the first
At some point in the future, the human population will peak for the very first time.Press very, keep first with it, and let time fall.
At some point in the future, the human population will peak for the very first time.correlative comparative: The two comparatives move together: earlier peak, easier rest.
The sooner it happens, the easier it makes everything else we have to do.help people leave poverty behind
Leaving poverty is the first means listed, framed as hard work before healthcare and school.
By working hard to raise people out of poverty,gerund phrase: By plus a gerund gives the means; the result comes later.
By working hard to raise people out of poverty,for the longest time that can be managed here, for as long as one can keep studying
giving all access to healthcare, and enabling girls in particular to stay in school as long as possible,remain in education
giving all access to healthcare, and enabling girls in particular to stay in school as long as possible,at a reduced height or amount
we can make it peak sooner and at a lower level.The end of wouldn't often shrinks; catch the negative first.
Why wouldn't we want to do these things?a wider range of chances in a life not one lucky chance, but a wider life
Giving people a greater opportunity of life is what we would want to do anyway.nominal clause: The what-clause names the thing that is wanted anyway.
Giving people a greater opportunity of life is what we would want to do anyway.「Human Population Peak」を読み解く
What's really going on
The segment sounds like a demographics lecture, but its argument is quietly rhetorical. It begins with a law-like fact about other species, then makes Japan the proof that rising living standards and education can lower birth rates. The proposed remedies are framed as desirable in themselves: “Giving people a greater opportunity of life is what we would want to do anyway.” That line answers an implied objection before it can harden. The question “Why wouldn't we want to do these things?” is not seeking information; it presents the proposed measures as obvious and humane. The persuasion lies in making the proposed measures sound less like restriction and more like widening opportunity.
Theme
SurvivalPopulation growth is treated as a species-level test: numbers must eventually peak, and an earlier peak makes later problems easier.
PhilosophyIt frames healthcare, education, and poverty relief as humane ends in themselves, not merely tools for lowering birth rates.
発音のポイント
- reaches a maximum — Let the end of reaches run into a without a pause.
- standard of living — Keep of light and stress standard and living.
- the very first time — Press very, keep first with it, and let time fall.
- Why wouldn't we — The end of wouldn't often shrinks; catch the negative first.
But it's possible to slow, even to stop population growth well before it reaches that point.Population growth is not fixed: it can be slowed or halted before the projected 11 billion mark is reached.
A key reason the population is still growing is because many of us are living longer.Longer lives keep total numbers rising even when the number of births stops climbing.
At some point in the future, the human population will peak for the very first time.There will eventually be a maximum human population, something that has never happened before.
The sooner it happens, the easier it makes everything else we have to do.An earlier peak would make the other tasks discussed here less difficult to carry out.
Giving people a greater opportunity of life is what we would want to do anyway.These measures are worth pursuing for their own sake, not only as a way to control population.
このシーンについての質問
Why does the narration compare humans with every other species?
It sets up a contrast: every other species reaches a maximum population set by available natural resources, while human numbers have grown dramatically with nothing to restrict them.
Why does Japan serve as the example?
Japan's standard of living climbed rapidly in the latter half of the 20th century; as healthcare and education improved, expectations and opportunities grew, and the birth rate fell. By 1975, the average was two, and the population later stabilized.
Why is the population still growing if annual births are about to level off?
Because many people are living longer. The narration says this is a key reason the population keeps growing even as the number of children born worldwide levels off.
How can the population peak sooner and at a lower level?
By raising people out of poverty, giving everyone access to healthcare, and enabling girls in particular to stay in school as long as possible.
Why does the narration ask, 'Why wouldn't we want to do these things?'
Because the proposed measures are already desirable: giving people a greater opportunity of life is what we would want to do anyway. The question makes the choice sound obvious.
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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