Besides, forest destruction, water and air pollution result in decrease of planting land and unpleasant weather.
此外，森林破坏，水和空气污染导致减少种植业土地及不愉快的天气。
We normally associate air pollution with smokestacks and cars, but volcanoes, forest fires, dust storms, marshes, oceans, and plants also add to the air chemicals we consider pollutants.
我们常常将空气污染与烟囱和汽车联系在一起，但事实上火山、森林火灾、沙暴、沼泽、海洋和植物都会带来一些我们认为是大气污染物的化学物质。
T to control air pollution, to protect the forest and sea resources and to stop any environmental pollution.
来控制空气污染，保护森林资源和海洋资源，制止任何环境污染。
Badly managed solid waste sites have contaminated groundwater and spread air pollution, and illegal logging has caused widespread loss of forest cover.
固体垃圾处理不当，严重地污染了地下水，并使得空气污染四处扩散。非法砍伐造成了森林覆盖率的急剧下降。
Since 1976, we have determined the purification effects of air pollution by three structures, namely, forest-belt, hedgerow and scattered tree planted in Shaoxing Iron and Steel Factory.
自1976年以来，我们对绍兴钢铁厂设置的林带、绿篱、散生树三种结构的空气净化效应进行了测定研究。
For example: the air pollution, the forest and the vegetation are destructed, the waste water pollute the rivers, trash everywhere obviously, our survival encounters the threat!
如：大气污染，森林和植被遭到破坏，废水污染河流，垃圾到处可见，我们的生存遭到威胁！
For example: the air pollution, the forest and the vegetation are destructed, the waste water pollute the rivers, trash everywhere obviously, our survival encounters the threat!
如：大气污染，森林和植被遭到破坏，废水污染河流，垃圾到处可见，我们的生存遭到威胁！
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