problems that have become immediately apparent,

当这些问题由法律来定义和规范时
have reached the press and a wide public

它们就瞬间被新闻界和公众
have often been translated into law.

了解得一清二楚
So if you think about the Cuyahoga River,

因此如果你们想想凯霍加河
which used to catch fire routinely in Ohio.

在俄亥俄州曾经常常失火
It used to catch fire because of the petroleum products that

它失火的原因在于石油产品
would lie on the surface of the water.

都漂在水面上
That prompted changes in the Clean Water Act to try to reduce

《清洁水法》的制定迅速改变了这一现状
the emissions from industrial facilities into the rivers.

它旨在减少工业设备向河流排污
The Toxic Substance Control Act evolved after concern about

《有毒物质管理法》的制定也是为了
a variety of events, as well as the Resource Conservation

避免事故的发生而《资源保护与
and Recovery Act that applies to hazardous waste sites

恢复法》旨在解决放置有毒废弃物的荒地