Those are examples of population problems.
那些都是人口问题的例子。
You will face problems in the aging of the population that have never been faced before.
你们将面临人口老龄化带来的前所未有的问题。
You will face the problems in the aging of the population that have never been faced before.
你们将面临前所未有的人口老龄化问题。
The problems of excessive energy consumption, climate change and population growth have been described in a book by the American writer Thomas.
美国作家托马斯的一本书中描述了能源消耗过度、气候变化和人口增长的问题。
Vertical farming is an attempt to address the undoubted problems that we face in producing enough food for a growing population.
垂直农业试图解决我们在为不断增长的人口生产足够的粮食时所面临的不容置疑的问题。
Additional social stresses may also occur because of the population explosion or problems arising from mass migration movements—themselves made relatively easy nowadays by modern means of transport.
由于人口的猛增或大量人口流动（现代交通工具使这种流动相对容易）造成的种种问题也会对社会造成新的压力。
About 75% of the world's population will live in cities by 2050, so cities will need to be more modern to deal with the coming problems.
到2050年，全球约75%的人口将居住在城市，因此城市需要更加现代化才能应对未来的问题。
I want to tell you about the past, present and future of the human population. So let's start with a few problems.
我想告诉你们有关人口数量的过去、现在和未来。那么让我们从一些问题入手。
I want to tell you about the past, present and future of the human population, so let's start with a few problems.
我想告诉你们关于人类的过去、现在和未来的事情，所以让我们从一些问题入手。
"Sleep problems endanger health and quality of life for up to 45% of the world's population," according to the World Sleep Society.
世界睡眠协会称：“睡眠问题危及世界上45%的人口的健康和生活质量。”
If their population Numbers, behavior, or physical condition change, it can indicate larger problems.
如果它们的种群数量，行为，身体状态发生变化，会暗示出更多的问题。
The urgency of the situation makes it necessary to reiterate the monumental problems of population growth.
情况的紧迫性使我们有必要重申人口增长的重大问题。
I think those problems - behaviour - are more important than the size of the population.
我认为这些问题和行为比人口数量更重要。
Other factors are often far more important and the ultimate impact of climate change on any given population is going to be dependent upon how stressed that population is by these other problems.
通常其它的因素带来的影响更加重要。气候变化带来的最终影响更加取决于其它因素对这个种群的重要性。
As our explains, many water problems have global causes: population growth, climate change, urbanisation and, especially, changing diets.
正如我们所说，许多因水引起的问题会引起全球性的问题，比如人口增长，气候变化，城市化，特别是改变的饮食。
Still, the factors that make fast food so popular still seem to be powerful enough to make the majority of the population ignore the obvious risks of poor nutrition and weight problems.
然而，使快餐如此受欢迎的各种因素仍然好像很强大，使大部分人不顾低营养和体重问题去冒险。
China, a big country with over one billion population, has encountered a host of intertwined problems and difficulties in the course of social transformation.
中国是个拥有十多亿人口的大国，在社会转型时期矛盾和问题非常复杂。
An ageing, shrinking population poses problems in other, surprising ways.
人口年龄老化，人口下降还会在其他意想不到的方面产生问题。
Several large studies of drinking in the general population show that some patterns clearly pave the way for future problems.
针对一般人群的饮酒行为所进行的几项大型调研显示，其他一些饮酒方式显然也会在将来给饮酒者带来烦恼。
The enormous increase of population will create many problems。
巨大的人口增长将产生很多问题。
The enormous increase of population will create many problems.
巨大的人口增长将产生很多问题。
As our article explains, many water problems have global causes: population growth, climate change, urbanisation and, especially, changing diets.
如同本周刊另一篇新闻(水也，命之所系)报导，许多水荒肇始于全球性的因素：人口成长、气候变迁、都市化、还有特别是饮食习惯的改变。
Such large concentrations of animals close to dense human population often cause considerable pollution problems.
如此大量集中的动物靠近人口密集的地区，往往带来大量的污染问题。
Melting glaciers that supply meltwater for half the world's population and the constriction of rivers by hundreds of DAMS are also major problems, they say.
通过融雪提供食水给世界半数人口的冰川消融，以及在河流中数以百计的堤坝建设，同样也成为了主要的问题，他们说道。
Rapid and unchecked human population growth and the resulting increases in resource consumption lie at the heart of most, if not all, environmental problems.
快速而不受控制的人口增长以及由此导致的资源消耗，就算不是引起环境问题的全部原因，也是主要原因。
Rapid and unchecked human population growth and the resulting increases in resource consumption lie at the heart of most, if not all, environmental problems.
快速而不受控制的人口增长以及由此导致的资源消耗，就算不是引起环境问题的全部原因，也是主要原因。
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