Eco-Anxiety: Mental Health in the Climate Crisis

Eco-anxiety—distress arising from awareness of climate and environmental changes—is increasingly recognized not as a pathology, but as a rational emotional response to an existential threat. A November 2024 systematic review published in BMC Psychiatry examined studies up to February 2024 and established a clear link between eco-anxiety and validated mental health outcomes. The review found consistent small to large positive correlations between eco-anxiety and psychological distress, depression symptoms, anxiety symptoms, and stress symptoms. Unlike general anxiety, eco-anxiety is often rooted in reality and scientific consensus, which complicates traditional therapeutic approaches that focus on dispelling 'irrational' fears. This has led to calls for new therapeutic frameworks that validate the distress while building resilience.

The concept of 'Solastalgia', coined by philosopher Glenn Albrecht, has gained significant empirical support. It describes the distress caused by environmental change—such as wildfires, drought, deforestation, or mining—impacting people while they are directly connected to their home environment. It's 'homesickness while you are still at home.' A comprehensive August 2025 scoping review published in BMJ Mental Health analyzed 19 studies involving over 5,000 participants. The findings were consistent: solastalgia showed positive associations with depression (correlations up to 0.53), anxiety (up to 0.51), and PTSD. The review also found that solastalgia is more intense in scenarios of ongoing environmental destruction (like chronic mining impacts) compared to single acute events (like one-time natural disasters). A subsequent Nature Mental Health commentary (October 2025) suggested that solastalgia may serve as an 'early warning signal' that emotional systems are approaching critical thresholds, much like ecological systems.

Young people bear a disproportionate psychological burden of the climate crisis. A major December 2025 systematic review in Nature Mental Health analyzed 69 studies (up to August 2024) to identify factors associated with eco-anxiety in children and young people (CYP). The review found that eco-anxiety generally increases with age during adolescence, peaking in late teens and early adulthood. Key risk factors included political inaction on climate, a sense of betrayal by older generations, and higher levels of empathy and environmental attachment. This 'moral injury'—the distress caused by witnessing actions (or inactions) that violate one's moral code—is a key component distinguishing eco-anxiety from simple fear of weather events. The review noted a notable increase in studies on this topic from around 2021 onwards, reflecting growing scientific and public concern.

Psychologists are shifting focus from simply treating symptoms to channeling distress into action. Rather than pathologizing eco-anxiety, emerging frameworks encourage validating the grief and engaging in 'Active Hope'—a practice of identifying desired outcomes and taking specific, community-based actions to achieve them. Research suggests that collective action serves as a protective buffer against the paralyzing effects of climate grief. Therapeutic interventions are increasingly focusing on building resilience and agency, helping individuals recognize their feelings as a valid response to a real threat while empowering them to contribute to solutions. This approach transforms eco-anxiety from a source of paralysis into a potential catalyst for meaningful engagement and psychological well-being.