Happy Planet Index (English Wikipedia)

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beyond-gdp.eu

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Abdallah, S., Thompson, S., Michaelson, J., Marks, N., Steuer, N. et al. (2009). The Happy Planet Index 2.0 Archived 2009-07-10 at the Wayback Machine. New Economics Foundation.
New Economics Foundation (2012-06-14). "Happy Planet Index 2012". New Economics Foundation. Archived from the original on 2012-06-18. Retrieved 2012-06-14.
"Happy Planet Index – How happy Is the planet". Retrieved 2023-03-22.

Marks, N., Abdallah, S., Simms, A., Thompson, S. et al. (2006). The Happy Planet Index 1.0^{[permanent dead link]}. New Economics Foundation.

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Abdallah, S., Thompson, S., Michaelson, J., Marks, N., Steuer, N. et al. (2009). The Happy Planet Index 2.0 Archived 2009-07-10 at the Wayback Machine. New Economics Foundation.
New Economics Foundation (2012-06-14). "Happy Planet Index 2012". New Economics Foundation. Archived from the original on 2012-06-18. Retrieved 2012-06-14.
Cameron to offer green tax cuts. The Sunday Times. September 9, 2007.
Goossens Y, et al. (2007). Alternative progress indicators to Gross Domestic Product (GDP) as a means towards sustainable development. IP/A/ENVI/ST/2007-10. The study provided for the European Parliament's Committee on the Environment, Public Health, and Food Safety. [1] Archived 2012-10-30 at the Wayback Machine

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Garrigues, Lisa. "Why Costa Rica Tops the Happiness Index". YES! Magazine. Retrieved 4 August 2022.