Growing levels of pollution represent a serious health hazard to the local population.

日益严重的污染对当地人民的健康构成了重大威胁。

《牛津词典》

The pollution could decimate the river's thriving population of kingfishers.

污染可能大量毁灭在这条河茁壮成长的翠鸟群。

《柯林斯英汉双解大词典》

Fears are now being voiced that the planned construction of an oil pipeline across the lake's bottom might revive pollution and cause the fish population to decline again.

现在有人担心，计划修建的穿越湖底的输油管道可能会重新造成污染，导致鱼类数量再次下降。

youdao

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

The net result on air pollution of a large population of electric vehicles may well be negligible.

FORBES: Will The Chinese Buy A Tesla?

Because when you educate a girl you educate a family, reduce over-population, reduce disease, reduce pollution and environmental impact, reduce terrorism and a whole host of other world problems.

FORBES: Should They Ban The Girl Epidemic?