There was a growing sense in the 70s that a range of environmental factors - be it pollution, pesticides, food additives, man-made cancers - meant that we were no longer in control of our bodies.

污染、农药、食品添加剂、人为致癌等一系列环境因素意味着我们失去了对自己身体的控制。这种意识人们在七十年代日益增多。

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Environmental chemistry is becoming increasingly important and is crucial in the understanding of a range of issues, ranging from climate change to local pollution problems.

环境化学正变得日益重要，而且在一系列问题上的认识至关重要，从气候变化到当地的污染问题等。

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It is also worthwhile to popularize the method of assessing the environmental quality of a small region by weighting pollution range index.

加权污染幅员指数对于评价小区域的环境质量，是一个值得推广的方法。

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