Deep Ecology extends an inalienable right to life to all beings. Yet as the naturalist Aldo Leopold observed, “One of the penalties of an ecological education is that one lives alone in a world of wounds.” Either harden your shell, or be a doctor. Joanna Macy decided to be an Earth doctor. A systems theorist, author and lifelong activist, she describes how healing the world and healing your heart and soul go hand in hand.