If we understand the climate crisis as a deeply existential one, it can help to examine the way past philosophers responded to similar crises in their times.
The ancient Stoics, among others, suggested valuable models for obtaining inner harmony. This condition involves harmony with one's own nature and the cosmic order of the universe. "Living according to Nature" also means taking care of mother earth and all living species. https://soeg.kb.dk/discovery/fulldisplay?docid=alma99122138433405763&context=L&vid=45KBDK_KGL:KGL&lang=da&search_scope=MyInst_and_CI&adaptor=Local%20Search%20Engine&tab=Everything&query=an…