Under the bright white lights of a central London exhibition space, a few dozen people are sorting themselves into groups. An instructor tells those that feel extremely worried about climate change to go to the far end of the room. Those that are less worried should stay closer to her. Moments later, she is mostly alone. Thirty feet away, strangers awkwardly cram together, signaling that they suffer “eco-anxiety.” Eco-anxiety is not the same as a clinical anxiety disorder, though physicians say fears about the climate can worsen or trigger pre-existing mental health problems -- https://time.com/5735388/climate-change-eco-anxiety/
Solastalgia is a neologism that describes a form of mental or existential distress caused by environmental change.