📁 环境噪音污染
This category contains websites related to all forms of noise considered pollution. Noise pollution issues for a particular area, or for a group in one location, should be listed in the Regional categories of the directory.
条目 (2+)
Christian Science Monitor: In Coal Country, Heat Rises Over Latest Method of Mining
http://www.csmonitor.com/2006/0103/p02s01-ussc.html