Growing pressure on the natural environment resulting from human activity has spawned numerous environmental organisations. The overwhelming majority of these groups operate within the bounds of the law to achieve their aims and limit the threat they pose. However, the radical actions of groups such as the Animal Liberation Front (ALF) and the Earth Liberation Front (ELF) have seen the concept of ecoterrorism emerge in an attempt to classify such organisations. In this book Gerry Nagtzaam aims to unpack the history of such groups and their motivating beliefs. The questions that animate the project are (1):

中文翻译：

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从环境行动到生态恐怖主义？走向以环境和动物权利为导向的政治暴力的过程理论

人类活动对自然环境造成的压力越来越大，催生了众多环保组织。这些群体中的绝大多数在法律的范围内运作，以实现其目标并限制其构成的威胁。但是，动物解放阵线（ALF）和地球解放阵线（ELF）等组织的激进行动已经看到了生态恐怖主义的概念，试图对这些组织进行分类。在这本书中，格里·纳格扎姆（Gerry Nagtzaam）旨在剖析此类群体的历史以及他们的激励信念。使项目动起来的问题是（1）：