During the industrial revolution and population explosion of the 19th and 20th centuries, the demand for water rose dramatically.

在19世纪和20世纪的工业革命和人口激增期间，人们对水的需求急剧上升。

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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。

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They are known as Asian Carp and the explosion of their population in the Illinois River is a concern to large-river ecologist Kevin Irons.

VOA: standard.2010.07.20

Ehrlich insisted that commodities would become more expensive: they were running out in the face of the population explosion.

FORBES: But Why Did Julian Simon Win The Paul Ehrlich Bet?

Some ecologists suspect that the explosion of the lobster population in Maine may be due not only to the regulations, but also to the fact that the Gulf of Maine represents an ecosystem out of balance.

ECONOMIST: Lobsters in Maine

Moreover, the likelihood of a population explosion appears to be receding.

ECONOMIST: A Survey of the 20th Century