The World’s Cleanest Countries


Researchers at Yale and Columbia universities rank 163 countries on 25 indicators, including water and air quality, greenhouse gas emissions and the impact of the environment on the health of the population. 
Here are the top countries:
  1. Switzerland
  2. Luxembourg
  3. Australia
  4. Singapore
  5. Czech Republic
  6. Germany
  7. Spain
  8. Austria
  9. Sweden
  10. Norway
The US is ranked #33, ahead of Malta and behind Belarus.

Tags: switzerland, country rankings,