No one knows exactly how clean a hand dryer is, and there is the possibility that it might be blowing hot, contaminated air onto your hands instead of hot, clean air.

没有人准确的知道如何清洁手干燥机，并有可能，它可能被污染的空气吹入的热，到你的手中，而不是热空气清洁。

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Authorities dumped some of the waste seawater used to cool the reactors back into the sea, where it joined contaminated water leaking from cracks in the plant and nuclear fallout from the air.

日本当局把用于冷却核反应堆的海水又倒入了海中，此外还有从电站裂缝中泄露的被污染的水和空气中的放射性粉尘。

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A report by the UN Environment Programme said oil spills had contaminated land, sea and air to such an extent that it seriously threatened public health in some areas.

一份联合国环境规划署的报告称，石油泄漏严重污染了土地，海洋和空气，在某些地区甚至威胁到公众健康。

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Allen Hershkowitz with the Natural Resources Defense Council, a private environmental group, says air quality around landfill sites must be carefully checked when oil-contaminated waste is added to normal household trash.

VOA: standard.2010.08.05

"Traditional environmental risks are those that face largely the poor in China, risks like drinking water contaminated with infectious organisms or highly polluted indoor air from people burning wood or other dirty fuels inside homes without chimneys."

VOA: standard.2010.04.07

The report says people living near incinerators may be exposed to a range of toxic chemicals, by breathing in contaminated air, eating food which has been contaminated, or by skin contact with affected soil.

BBC: Greenpeace damns incineration 'risks'

Children generally pick up lead in soil that has been contaminated by air pollution and dumping.

WSJ: Neurocriminology: Inside the Criminal Mind

The virus can be present in the rodents' urine, droppings and saliva, and is spread to people when they breathe in air contaminated with the virus, the CDC says.

CNN: STORY HIGHLIGHTS