Ecology and Human Values in the Upanishads: Reintegrating Nature, Duty and Unity

This article interprets the Chāndogya Upaniṣad’s hierarchy of rasaḥ —Earth → Water → Plants → Human → Speech → Hymn → Chant → Om—as a value-based framework for ecological responsibility. Each stage signifies not only material dependence but also moral obligation, where to be the ‘essence’ of another is to bear duties of care and reciprocity. Through textual–philosophical analysis of Vedic and Upanishadic teachings, including the principles of ṛta (cosmic harmony) and dharma (ethical duty), the study demonstrates how ecological facts (soil, water, plants and food cycles) are inextricably linked to human values of truth, restraint and solidarity. The cultural stages of speech, hymn and chant are read as practices of communication and cohesion, highlighting the ethical role of collective voice. The culmination in Om ( ekatva ) represents unity, compassion and non-violence as guiding values for human–nature relations. In dialogue with contemporary ecological thought—Deep Ecology, Gaia and the land ethic—the article argues that the Upanishadic ladder anticipates systems thinking while grounding it in a spiritual ethic of care, offering enduring values for sustainability and ecological citizenship in the twenty-first century. At the same time, the article recognizes that sacral views of nature yield ecological responsibility only when metaphysical insight is internalized as ethical obligation, rather than remaining symbolic or ritualistic.