International Living Community

The hydroelectric project at Lake Arenal produces between 10 to 12% of the total electricity of the country.

You can read more about what I wrote here: https://internationalliving.com/is-costa-rica-the-most-eco-friendly-country-on-our-beat/

Google "hydro power and lake arenal" to find more info.

Hi there! I don't believe that IL has ever published such a list, but there are multiple resources online that may be helpful. Yale's Environmental Performance Index (EPI) ranks countries based on the quality of their drinking water. Their website can be found here: https://epi.yale.edu/epi-results/2020/component/h2o