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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Such cooking and heating produces high levels of indoor air pollution with a range of health-damaging pollutants, including small soot particles that penetrate deep into the lungs.

这种烹饪和取暖做法会造成高度室内空气污染，产生大量对健康有害的污染物，包括可渗透到肺部深处的烟尘微小颗粒。

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These range from blatantly changing the readings to putting city air monitoring stations in places where pollution levels are lowest, such as in parks.

这些伎俩包括悍然改动读数，以及把市区的空气监测站放在公园等污染水平最低的地点。

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As some of the above-linked articles eventually get around to noting, this report shows a mathematical association between traffic air pollution components in a certain range, as the authors calculated them, and an increased autism risk.

FORBES: 5 Caveats About The Autism And Air Pollution Study

The authors broke down air pollution exposure into ranges (quartiles) and then presented odds of autism in relation to each exposure range for different time points.

FORBES: 5 Caveats About The Autism And Air Pollution Study