The European Environment Agency (EEA) has highlighted a direct link between environmental pollution and rising mental‑health disorders across the European Union . The agency’s report warns that stricter enforcement of pollution‑control legislation could reduce the prevalence of depression and anxiety, underscoring the health dimension of the EU’s zero‑pollution agenda. Key Developments Air, noise and chemical pollutants are identified as major contributors to mental‑health issues. Fine particulate matter ( PM2.5 ) and nitrogen dioxide ( NO2 ) are specifically tied to depression. Exposure to lead, endocrine disruptors and other chemicals during critical developmental phases raises the risk of later‑life mental disorders. Noise from air and road traffic amplifies anxiety, especially among vulnerable groups. Nature‑based solutions are recognised for their therapeutic benefits, reducing stress, anxiety and depression. The agency stresses that progress toward zero‑pollution targets can deliver co‑benefits for mental well‑being. Important Facts In 2023 , mental‑health disorders ranked as the sixth largest burden of disease in the EU. They were also the eighth leading cause of death across member states. Lead and other endocrine disruptors pose long‑term risks when exposure occurs during early life stages. Nature‑based interventions—such as urban green spaces, forests and wetlands—have scientifically proven efficacy in alleviating mental distress. UPSC Relevance Understanding the nexus between environmental quality and public health is crucial for GS‑3 (Environment) and GS‑4 (Ethics) preparation. The EEA’s findings illustrate how pollution control is not merely an ecological issue but a determinant of mental health, influencing disease burden metrics used in policy planning. Aspirants should note the role of EEA in shaping EU directives, which can serve as comparative case studies for India’s own National Clean Air Programme and mental‑health initiatives. Way Forward Policymakers should integrate mental‑health impact assessments into environmental regulations, promote stricter limits on PM2.5 and NO2 , and expand urban green infrastructure to harness nature‑based solutions . Strengthening surveillance of chemical pollutants and noise levels, alongside public‑awareness campaigns, can help achieve the EU’s zero‑pollution targets while safeguarding mental well‑being.