[2] Global Metrics for the Environment, 2016 Report (www.epi.yale.edu)
[3] The Happy Planet Index 2016, New Economics Foundation (www.happyplanetindex.org)
[4] Human Development Report 2015, UNDP (hdr.undp.org)
![Foto: fordneyfoundation.org](https://assets.kompasiana.com/items/album/2016/12/23/lrg-78-folklor-dance-costa-rica-585cf49a43afbd264e9f62cc.jpg?t=o&v=555)
Foto: fordneyfoundation.org
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