So we have been talking about theories that deal with the effects of human activity on the climate.

所以我们一直在讨论人类活动对气候影响的理论。

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One eof the main effects of human activity on an area is water pollution.

人类活动对一个地区的主要影响之一是水污染。

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Recent extreme weather events have prompted the debate about effects of human activity on the world's climate.

最近的极端天气事件，已引起争论的影响，人类活动对全球气候的影响。

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Careful planning and reforestation efforts could reduce the effects of pipelines, wind turbines and other human activity, scientists said.

WSJ: Northeast drilling boom threatens forest wildlife

But human activity and mismanagement undoubtedly intensified the destructive effects of the floods.

CNN: FIGHTING FLOODS