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Stockholm Environment Institute

SEI is an independent international research institute, engaged in environment and development issues at local, national, regional and global policy levels for more than 20 years.

SEI was formally established in 1989 by the Swedish Government and celebrated its 20th anniversary in October 2009. The Institute has established a reputation for rigorous and objective scientific analysis in the field of environment and development.

It’s goal is to bring about change for sustainable development by bridging science and policy. We do this by providing integrated analysis that supports decision makers.


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Le riz, l’un des aliments de base le plus répandu en Asie, est directement affecté par la pollution à l’ozone. Avel Chuklanov/Unsplash

La pollution à l’ozone menace aussi nos assiettes

Si les pics de pollution à l’ozone sont bien connus des citadins, la menace que fait peser cette pollution sur les rendements agricoles l’est moins. Les scientifiques tentent de mieux l’évaluer.
Remote mountain regions like the Upper Mustang in Nepal are often neglected by the rest of the world. Timothy Karpouzoglou

Harnessing the hidden power of mountains to meet our climate and development goals

Remote mountain regions are closer to the climate problem than we think, particularly in the context of safeguarding essential ecosystem services such as safe and adequate water.
A depot used to store pipes for Transcanada Corp’s planned Keystone XL oil pipeline is seen in Gascoyne, North Dakota. Andrew Cullen/Reuters

How should we calculate the CO2 impact of the Keystone pipeline proposal?

Big energy infrastructure projects – power plants, coal mines, long distance transmission lines – take time, resources and, typically, some political muscle. They create highly visible if short-lived construction…


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