More recently, scientists found that beach pollution is worse during the full moon. That discovery, however, is linked to real variations in tides related to the lunar cycle.

最近，科学家们发现，在满月期间，海滩的污染情况比其他时间更严重。可是，这一发现是与同月轮周期有关的变化相联系的。

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If you notice pollution, such as waste or oil, while at the beach, notify a city or town official at once.

如果你看到任何严重污染，比如在海边看到漂浮在水面上的垃圾或者油污，应该立即通知市里或者镇里的官员。

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You can see the pollution on this beach.

你可以看到沙滩上的污染物。

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"We are urging the government and beach managers to adopt a mandatory national scheme to provide permanent public information about storm pollution on every bathing beach, " said Mr Bell.

BBC: NEWS | UK | Heavy rains 'pose bathing risk'

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'

Why go to a beach near Los Angeles that might be closed because of pollution washing in from old sewers?

ECONOMIST: California's economy