EPI 2020 -come misurare la GREEN ECONOMY
What Does “Green” Mean?
One way to explain (and measure) what it means to “be green” is to use an “index” that seeks to capture the set of environmental challenges that each nation must face to achieve “sustainability”.
Indexes like Yale’s Environmental Performance Index (EPI) can be critical to measuring national sustainability efforts and to provide benchmarks across countries for global sustainability policy and business decisions.
Highlighting leaders and laggards in environmental performance provides practical guidance for countries that aspire to move toward a sustainable future.
2020 Environmental Performance Index (EPI)
The 2020 Environmental Performance Index (EPI) provides a data-driven summary of the state of sustainability around the world, ranking 180 countries.
The framework organizes 32 indicators into 11 issue categories and two policy objectives (“Ecosystem Vitality”-weighted 60% and “Environmental Health ”- 40%), with weights shown at each level as a percentage of the total score.
Each high-level performance indicator with the EPI, like “environmental health”, is broken into subsections. Nations are scored on each subsector on a scale up to 100. As a result, multiple countries can rank first in any given category.
By evaluating national sustainability on a scale that is unrelated to other nations, we get a clearer idea of comparative national progress, beyond a basic ranking.
For instance, 30 countries tie for first in marine protection, all with scores of 100.
This shows that many economies are prioritizing this area of sustainability.
First in the ranking stands Denmark (with an EPI score of 82.5), followed by Luxemburg (82.3) and Switzerland (81.5).
Italy is ranked 20, with Canada and the Czech Republic, with an overall score of 71.0.
The last country in the standings is Liberia, with an EPI index of 22.6.
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