The natural growth rate of population is revving up in rural areas.

在农村中人口自然增长率正不断上升。

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The pressures of population growth push people into previously uninhabited areas, disrupting the delicate equilibrium between microbes and their natural reservoirs.

人口增长的压力迫使人们进入以往无法居住的地区，破坏了微生物与其自然宿主之间的微妙平衡。

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Human population growth is increasing the built footprint, which in turn is straining the capacity of natural wetland systems.

人类人口的增长扩大了人造环境的占地面积，而后者又使自然湿地系统超负荷运转。

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Each year, the effects of population growth on natural resources and the environment are being recognized.

FORBES: U.S. Needs Immigration Reform - Part 3

Without going into the specific reasons for immigration or their merits (or demerits), it is enough to note that the political leadership in the United States must consider the effects of population growth on natural resources and the environment as it considers immigration reform.

FORBES: U.S. Needs Immigration Reform - Part 3

One was a small group of scientists who were becoming desperately concerned about population growth, pollution and rapidly increasing use of natural resources.

BBC: Stockholm: Birth of the green generation