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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As urban land becomes increasingly scarce, in the absence of adequate clean-up, pollution incidents associated with land contamination in China are increasing.

由于中国的城市土地资源日益稀缺，在没有进行适当环境清理的情况下，由土地污染引发的污染事件时有发生。

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The project succeeded in screening 346 sites with potential chemical contamination risks and identifying 58 priority pollution sources for follow-up mitigation actions.

通过对346个具有潜在化学污染风险的点进行筛查，这一全球环境基金项目识别出58个重点污染源作为采取后续措施的重点。

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Plus, the amount of water is effectively reduced by pollution and contamination.

FORBES: Is Water A Better Investment Than Oil?

Occidental Petroleum, for example, is involved in a major human rights and environmental contamination lawsuit regarding the pollution of indigenous land and the Amazon River.

FORBES: Magazine Article

However, Stan Woznicki, the agency's counter-pollution officer, said a legal discharge "would be highly unlikely to result in the sort of contamination we have seen".

BBC: Richard Drax MP to question government over bird pollutant