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    Global Metrics for

    The Environment

    The Environmental Performance Index (EPI) ranks how well countries perform on high-priority environmental issues in two broad policy areas: protection of human health from environmental harm and protection of ecosystems.

    2014 EPI Results
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    What does the

    EPI measure?

    The Environmental Performance Index (EPI) uses the latest data to track performance across high-priority policy issues, ranging from air quality and water to fisheries and climate.

    Our Methods
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    Dive Deep

    Into the Data

    Access the Data Explorer to compare countries’ environmental performance against each other along with other key indicators, such as economic growth and population.

    Data Explorer

News & Insights

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Media
[Report] 2014 EPI Report - Issuu Reader
Mar 4, 2014
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The Metric

Inaugural 1 Gigaton Coalition Report at COP21 Assesses Potential of Developing Country Efforts Towards Climate Mitigation

Dec 16, 2015
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The Metric

Scenes from Paris: Beyond the Climate Negotiations

Dec 16, 2015
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The Metric

New Report Demonstrates Local Actors’ Contribution to Global Climate Action

Dec 15, 2015
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The Metric

Assessing the Wider World of Non-state and Sub-national Climate Action

Dec 14, 2015
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The Metric

1 Gigaton Coalition Launches Inaugural Report, Yale Researchers Lead Authors

Dec 14, 2015
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The Metric

Policy, not sun, influences solar

Dec 7, 2015
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The Metric

Data-Driven Yale at COP-21

Dec 2, 2015
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The Metric

December 5 Workshop: Mapping the State of Non-State and Sub-National Climate Action Research

Dec 2, 2015
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The Metric

At COP21, the Big Story is Cities

Nov 16, 2015
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The Metric

Including local city voices in global goals

Nov 2, 2015
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The Metric

Sneak Peek: Updates to the 2016 EPI

Oct 27, 2015
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