Environmental terrorism consists of one or more unlawful actions that harm or destroy environmental resources or deprive others of their use. More colloquially, the phrase is also used to label actions seen as the unnecessary or unjustified destruction of the environment for personal or corporate gain.
There are academic and semantic difficulties in defining "terrorism" and specifically "environmental terrorism", but discussions of environmental terrorism are growing with a focus on identifying possible risks to natural resources or environmental features. Some, including in the military  argue that attacks on natural resources can now cause more deaths, property damage, political chaos, and other adverse effects than in previous years.
Chalecki distinguishes between environmental terrorism and eco-terrorism. She notes that environmental terrorism can be defined "as the unlawful use of force against in situ environmental resources so as to deprive populations of their benefit(s) and/or destroy other property". In contrast, eco-terrorism is the destruction of property in the interest of saving the environment from human encroachment and destruction. More concisely, environmental terrorism involves targeting natural resources. Eco-terrorism involves targeting the built environment such as roads, buildings and trucks, in defense of natural resources. Other analysts may fail to distinguish between these different threats.
- Environmental vandalism
- Environmental impact of war
- List of environmental issues
- 1989 California medfly attack
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- Butts, K.H.; Turner, C. W.; Jasparr, C. (September 2003). "Environmental Security Cooperation" (PDF). Center for Strategic Leadership, U.S. Army War College, Carlisle, Pennsylvania. Archived from the original (PDF) on 2007-06-26.
- San Francisco Chronicle, July 1, 2001, page A10
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- Schwartz, D.M. 1998. “Environmental Terrorism: Analyzing the Concept” Journal of Peace Research. Vol. 35, No. 4, July 1998, pp. 483-496.