Examples range from contamination of the food or water supply, to high levels of air or noise pollution, a chemical accident, a disease outbreak or a natural disaster.

这方面例子的范围包括从食物或水供应的污染，到空气或噪音高度污染、化学事故、疾病暴发或自然灾害。

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But other factors have also had an impact: habitat loss, pollution, disease and invasive species.

但是其它因素也会带来影响：栖地的流失、污染、疾病和入侵的物种。

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She knew nothing about the disease. She attributes his asthma to air pollution and says it is triggered quite easily by dust, cold, and pollution.

她当时对这种病一无所知，将孩子的病因归结于空气污染，认为灰尘、寒冷和污染非常容易诱发哮喘。

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Dr.Brook, who chaired group that produced a scientific statement on air pollution and cardiovascular disease for the American Heart Association.

VOA: standard.2010.08.04

Medical science, bolstered by research from the U.S.Environmental Protection Agency, shows a strong link between air pollution and heart disease and stroke.

VOA: standard.2010.08.04

Experts say pollution and disease are leading to a drastic decline in otter numbers.

CNN: Oil spill lessons offer hope for sea otters

Casey may lay out a grim recitation of society's ills pollution, disease, rape, drugs but he wisely keeps hope at the forefront of the mix, rooting his fears in parental love and letting a whiz-bang arrangement bury the dark subject matter in bright strumming and zinging synths.

NPR: Casey's 'Fear' as Universal as Fear Itself

They are much too pessimistic about its power to solve poverty, disease and pollution in our lifetimes.

WSJ: The Weekend Interview: Will Google's Ray Kurzweil Live Forever?