Britain's National Health Service agrees: having studied the available research, it finds no proof of harm from turbines.

英国国家卫生服务局赞同此看法：他们进行了相关的研究，并没有证据说明风能发电站有任何危害。

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Britain's National Health Service agrees: having studied the available research, it finds no proof of harm from turbines.

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The precautionary principle states that, if there is uncertainty regarding the effects of exposure to an agent, the burden of proof that exposure does not cause harm falls on those who utilize the agent.

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By this principle, the burden of proof is on the advocates of any new technology that has the potential to cause harm to the environment of the public.

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