pollution sources

基本解释

But what about pollution sources that have already been built?
但是，那些已經建成的汙染源又該怎麽辦？
The project succeeded in screening 346 sites with potential chemical contamination risks and identifying 58 priority pollution sources for follow-up mitigation actions.
通過對346個具有潛在化學汙染風險的點進行篩查，這一全球環境基金項目識別出58個重點汙染源作爲採取後續措施的重點。
to organize, direct and coordinate environmental quality monitoring and supervision and monitoring of pollution sources;
組織、指導和協調環境質量監測和汙染源監督性監測；

The country's first national census of pollution sources is due to begin in February.
ECONOMIST: Environmental protection in China
Not surprisingly, in the United States, asthma sufferers are often in low-income communities near major pollution sources, such as freeways or factories.
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So people who live downwind of big sources of pollution really do have drier lives.
ECONOMIST: Weather and pollution