The Yangtze River provides one third of the country's freshwater resources, but it has met lots of environmental problems in recent years, such as heavy pollution and overfishing.

长江提供全国三分之一的淡水资源，但它近年来遇到了很多环境问题，如重污染和过度捕鱼。

youdao

PCB industry is heavy water consumption and heavy pollution industry.

PC B工业是用水大户，也是污染环境大户。

youdao

But skies cleared over Moscow after days of heavy pollution, and there were cooling rains.

在数天的严重污染后，莫斯科的天空开始放晴并伴有阵雨。

youdao

But this plan has also come under criticism. The proposed power plants will burn heavy oil, which must be imported and causes pollution.

VOA: standard.2009.08.28

Heavy pollution cuts into the usable water supply, but treatment equipment is expensive.

ECONOMIST: China

Smog also spread across central and eastern regions as a yellow haze alert was issued yesterday, and "heavy to severely heavy pollution" was recorded in Beijing, China Daily reports.

BBC: China media: No support for Abe

Following the heavy pollution of the beach, the local population of this starfish fell from more than a hundred and fifty to just thirteen, pushing this particular colony to the edge of extinction.

BBC: News | UK | West Wales recovering from 'environmental disaster'