Love Letter to the EarthBy: Thich Nhat Hanh World renowned Zen monk Thich Nhat Hanh champions a more mindful, spiritual approach to protecting nature and limiting climate changeone that recognizes people and planet as one and the same. While many experts point to the enormous complexity in addressing issues ranging from the destruction of ecosystems to the loss of millions of species, Thich Nhat Hanh identifies one key issue as having the potential to create a tipping point.