- Association of Forest Service Employees for Environmental Ethics
- Center for Environmental Philosophy - Holds environmental ethics workshops for environmentalists and environmental professionals; offers M.A. in Philosophy in Environmental Ethics
- Center for Respect of Life and Environment - Awaken people's ecological sensibilities.
- Christian Environmental Association - The Christian Environmental Association is a national movement of Christians who have a commitment to care for creation.
- Christian Environmental Studies Center - Environmental science resources to advance collaborative efforts of Christian academics, Christian Environmental Organizations and environmental stewardship throughout the Christian community.
- Colorado Institute for a Sustainable Future - An educational institute dedicated to teaching deep ecology, ecopsychology, spiritual principles with ecological leadership and sustainable community.
- Connecting With Nature: Ecopsychology in action - This course, program and book integrate ecology and psychology through thoughtful sensory contacts with Earth that catalyze wellness, spirit and responsibility.
- Earth Justice Ministries - Nonprofit organization to further the cause of social, economic and environmental justice
- EarthLight Magazine - Building bridges between environmental organizations and religious congregations and individuals
- Ecology:An Islamic Perspective
- Environmental Ethics - From the Department of Philosophy, University of Gothenburg, Sweden. Discusses philosophical questions related to environmental issues.
- Ethics and Value Studies, National Science Foundation - funds projects on environmental ethics
- Evangelical Environmental Network - Exists for Christians concerned about environmental issues. Aims to disseminate information about 'Creation Care'.
- Global Ideas Bank for innovative non-technological ideas and projects that will improve the quality of life, with 1,000 pounds sterling awards for the best ideas.
- International Ethical Business Registry - Registry for companies/professionals who display their ethics code in the workplace and use Registration No. on PR material.
- International Society for Environmental Ethics - The International Society for Environmental Ethics (ISEE) seeks to advanceresearch and education in the field of environmental ethics and philosophy.
- Left Green Network - A network devoted to political ecology
- Loveletter - Promoting global peace writing science and religion.
- Pierce Simplicity Study - Info on simple living and voluntary simplicity. Questionnaire/study of people who have experimented with simple living.
- Trismegistus alias Akhnaton, Moses and Oedipus - Promotes analysis of collective psychology towards Ecology
- Universal Pantheist Society - Promoting modern pantheism as an approach to environmetal ethics.
- University of Gothenburg, Sweden - Environmental Ethics - Department of Philosophy. Discusses philosophical questions related to environmental issues.
- University of North Texas - Center for Environmental Philosophy