Editor's Note: ­ This security-focused assessment is one of many such analyses found at Stratfor Threat Lens , a unique protective intelligence product designed with corporate security leaders in mind. Threat Lens enables industry professionals and organizations to anticipate, identify, measure and mitigate emerging threats to people, assets and intellectual property the world over. Threat Lens is the only unified solution that analyzes and forecasts security risk from a holistic perspective, bringing all the most relevant global insights into a single, interactive threat dashboard. Climate activist group Extinction Rebellion (XR) has made no secret of its desire to target air travel. The group has several reasons — ideological and practical — for singling out this means of transportation. XR backers see airports, which have a large environmental impact and big carbon footprint, as a symbol of the unsustainable capitalist system that they are rebelling against.