Agricultural run-off and pollution from power plants are adding extra nitrogen to many bogs in North America.

农业排水和来自发电厂的污染给北美的许多沼泽增加了额外的氮。

youdao

How to regulate "non-point source" pollution, such as pesticides from agricultural run-off, is a continuing, and harder, debate.

象农业使用中飘散的杀虫剂这类“非点源”污染又如何控制？这更是个长久和难缠的辩论题。

youdao

Also, factory farm run-off a yes ia m talking about all that animal waste - is creating a run-off pollution crisis that is threatening our rivers and oceans.

还有，工厂式农场径流，是的，我指的是动物粪便，正在制造径流污染危机，威胁我们的河流和海洋。

youdao

The U.S.Environmental Protection Agency,or EPA, lists stormwater as the primary cause of water pollution in the United States, and encourages local communities to develop management plans to treat run-off before it pollutes their rivers, lakes or streams.

VOA: standard.2010.08.04