They deplete oxygen in waters very quickly, killing fish.

它们能够迅速吸收消耗水中的氧，导致鱼类的死亡。

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For decades, scientists warned that plastics are killing fish.

科学家几十年来一直警告说塑料会导致鱼类死亡。

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Article 30. Such methods of destroying fishery resources as killing fish by explosion, with poison or with electricity, etc. are prohibited for fishing.

第三十条禁止使用炸鱼、毒鱼、电鱼等破坏渔业资源的方法进行捕捞。

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Hydroelectric dams are under assault for killing fish, biomass burning produces greenhouse gases just as fossils do, and geothermal power releases toxic ground and water contaminates.

FORBES: Environmental Groups Strongly Endorse "None Of The Above" Energy Plans

The July 2011 rupture of the 12-inch pipeline under the river near Laurel fouled 70 miles of the Yellowstone River's banks, killing fish and wildlife and prompting a massive, months-long cleanup.

NPR: APNewsBreak: $1.7M Penalty Proposed In Exxon Spill

For example, freshwater systems polluted with excess agricultural fertiliser will suffocate with algae, killing off fish and making water unfit for human consumption.

BBC: Nature loss 'to damage economies'