Dr Alice Desbiolles, a specialist in environmental medicine, explains how eco-anxiety, or "solastalgia," is on the rise in modern society. After explaining its effects on both individuals and society at large, she shows how this condition can be simply and efficiently harnessed and used to bring about positive change, whether on a personal or a societal level. Through her advice, everyone can learn how to go from being a passive worrier to an active environmentalist.