同时，他们敦促环保主义者们停止请愿签名的行动，把努力放在有机会成功的事情上，像拯救历史建筑之类的。

They also urged the activists to end their practice of collecting signatures for petitions and to put their efforts into something that has a chance of succeeding, such as saving historic buildings.

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环保主义者已经开始行动了，他们对这类大型机动车泼泥水、在车窗上帖环保标签。

Environmental activists are targeting the large vehicles, giving them mud baths, putting stickers on Windows.

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早期美国的环保主义者拉尔夫•瓦尔多•爱默生和亨利•大卫•梭罗曾将恢复行动错解，她对此提出争议。

She argues that early American environmentalists, such as Ralph Waldo Emerson and Henry David Thoreau, have been misread as its champions.

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