Most industries based in urban area in Bangladesh pollute environment but leather tanneries probably do the worst damage.

在孟加拉国大多数位于城市的工业都会污染环境，但皮革制革厂是污染的最严重的。

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Dairy manure is a by-product of cow raising, thousands of tons of Dairy manure are wasted because there is no good ways to make use of it in China, also, it will pollute environment.

奶牛粪(文中称牛粪)是奶牛养殖的副产品，全国奶牛养殖业每天产生的成千上万吨的牛粪得不到有效利用被白白浪费，而且还造成环境污染。

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Windmills don't pollute the environment at all.

风车完全不会污染环境。

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Miss Carson questioned the right of industrial companies to pollute without considering the effects on the environment.

VOA: special.2010.03.14

Event organizers have worked hard to ensure that the games will not pollute the environment.

VOA: special.2010.02.10

Earlier this month the Environment Agency granted an environmental permit stating it would not "significantly" pollute the environment or harm human health.

BBC: Devonport incinerator opponents refused judicial review

If these pollute the environment, what is wrong with making them pay to have it cleaned up?

FORBES: Women on Contraceptive Pill Should Pay $1,500 a Year More Tax

And in Florida, Ocean Boy Farms claims to be able to produce a marine shrimp that does not pollute the environment.

ECONOMIST: Fish farming