The criticism against environmental activists looks more like a political witch-hunt than a rational debate.

witch-hunt 由 witch（女巫）和 hunt（追捕）组成，字面意思是"追捕女巫"。 历史上指欧洲中世纪对所谓"女巫"的迫害运动，现在引申为"政治迫害"，指对特定群体或个人进行不公正的追查和攻击。