Some variation of this view is the dominant modern Western view, I would say. C. Nature is Home, and its inhabitants are family. This view brings a deeper bond with nature. Action to protect and preserve nature is based on love. D. Nature as Self, a holistic, ecocentric, somewhat transpersonal view.
Environmental action is then Self-care.
This view suggests a more deeply transpersonal view based on nonduality of nature and humans. Perhaps he means it as a koan. On reconnecting humans and nature Renewing the connection between humans and nature is essential for both. Contact with nature is healthy and healing. There is much research on this point from a variety of theoretical perspectives.