Glenn Albrecht (born 1953) is an Australian environmental philosopher, best known for coining the neologisms solastalgia and symbiocene. He is a theoretical and practical researcher on the relationship between ecosystems and human health. He is a pioneer in the field of research into "psychoterratic" or Earth-related mental health conditions - the concept of "solastalgia". He characterizes solastalgia as a form of emotional or existential anxiety caused by environmental changes;…