Switzerland
Country in Europe
In brief
Air pollution PM2.5, µg/m³: 8.3 (2023). World rank 33 of 200 (1 = best); in Europe, 10 of 43. CO₂ emissions, tonnes per person: 3.8 (2024). World rank 127 of 203 (1 = best); in Europe, 10 of 40. Renewable fresh water, m³ per person: 4,603 (2022). World rank 67 of 183; in Europe, 16 of 40. From 2015 to 2025: protected areas 9.7% → 12.5%. Worse than all its neighbours (Austria, France, Italy, Liechtenstein, and Germany): protected areas.