Pollution of rivers, lakes and the sea Air pollution affects rivers and lakes indirectly because it causes acid rain.

由于大气污染引起酸雨，所以大气间接地影响了河流和湖泊。

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Radioactivity can also be washed into rivers, lakes and the sea where fish and seafood could take up the radionuclides.

放射性也可以被冲入河流、湖泊和海洋，在这些地方鱼类和海产食品可能会吸收放射性核素。

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While greening farms worldwide, much nitrogen washes into lakes, rivers, and the sea, causing rampant algae growth.

让世界农场更绿的同时，大量的氮流进了湖泊，河流和海洋，造成了藻类猖獗生长。

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Less ice on rivers, lakes and the sea will lead to more evaporation, probably increasing cloud cover at mid-levels, which should have a cooling effect.

ECONOMIST: The science

Thousands more pipes could discharge raw sewage into the sea, rivers and lakes than was previously thought, the Marine Conservation Society has said.

BBC: Charity warning over raw sewage discharge levels