Being in nature is good for our health and well-being. Recent research is showing what happens in our brains and bodies when we interact with nature, as described in Kathy Willis' new book Good Nature. There are benefits from what we see, smell, hear and touch.
The Bahá'à community of France has just posted online a short paper I prepared on Nature and Spirituality (in French). It can be viewed at https://www.bahai.fr/nature-et-spiritualite/.