Baobab's Natural Philosophy Center - a directory devoted to environmental philosophy, ethics, eco-feminism, and our relation to the natural world.
Basic liberal rights and the environment - Essay on the right to environmental utilization space as the foundation for a basic income. Links to liberal philosophers.
Center for Environmental Philosophy - holds workshops for environmentalists and environmental professionals. Offers M.A. in Philosophy in Environmental Ethics.
Earth Sense - informing people that environmental awareness is a necessity. Includes nature photography and essays written by volunteers around the globe.
Ed's Environmental Philosophy Page - ethical, metaphysical, and other philosophical considerations relating to wilderness, civilization, and the environmental crisis.
Land Ethic, A - reflects the existence of an ecological conscience, and this in turn reflects a conviction of individual responsibility for the health of the land.
Leave No Trace - aims to promote and inspire responsible outdoor recreation through education, research, and partnership.
Logical Environmentalism - Essay on the inescapable logic of being an environmentalist: links to other environmental organisations, like Eco-home Network, Earth First Enterprises, etc.
Spirit of Environment (SOE) - join our forum to explore and experience the connection between spirit and the environment.