养活今天的人口对已经很紧张的环境来说是一个挑战。
Feeding today's population is a challenge for an already-stressed environment.
最终，人口数量将达到环境承载能力范围内。
Finally, the population will reach a size within the carrying capacity of the environment.
人口增长是全球现象，但是有人担心，人口增长给自然环境带来负担。
Population growth is a global phenomenon, and others worry about strains on the natural environment.
随着世界人口的增长，我们的环境变得越来越糟糕。
With the increase of the world population, our environment is getting worse and worse.
每一年有超过40万人口死于与环境污染有关的疾病。
Each year more than 400,000 people die of pollution-related illnesses.
但是日益增长的人口是许多国家的环境问题。
But an increasing population is an environmental problem in many countries.
如人口问题、资源问题、环境问题，等等。
For example, the problem of population, resources, environment, and so on.
要充分认识人口增长对环境的影响。
Therefore we should have a full realization of the effect that population has on environment.
人口是人口、资源与环境巨系统中最根本的因素。
Population is the most fundamental factor in the big system of population, resources and environment.
不断增长的人口在很多国家是一个环境问题。
An increasing population is an environmental problem in many countries.
不断增长的人口在很多国家是一个环境问题。
An increasing population is an environmental problem in many countries.
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