Abstract
Cassirer’s philosophy of symbols is applied to Uexküll’s concept of “Umwelt” (meaningful environment). I argue that the vast domain of human symbolism extends the human Umwelt far beyond the Umwelts of animal species. We humans live and act in many intersecting symbolic worlds, one of the most important of which is our ethical Umwelt. I claim that against the background of ecological disaster and the uncontrolled accelerating incursion of our financial institutions and biotechnological industry into planetary ecology, the term “Umwelt” can no longer simply mean the part of our surroundings that is meaningful to us. Given the current severe ecological crisis, Cassirer’s idea of an “ethical Umwelt” must also be expanded, and an ethical imperative must be integrated into our understanding of “environment.” In other words, for us today the meaning of the term “Umwelt” or “meaningful environment” should be synonymous with “the living world to be saved” or “sacred environment.”