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Background information on sustainable development

en/articles/pdf/sustainability_en.pdf [HTML] Summary
en/articles/pdf/sustainability_en.pdf [HTML] What is the meaning of sustainability?
en/articles/pdf/sustainability_en.pdf [HTML] History of sustainability
en/articles/pdf/sustainability_en.pdf [HTML] Economic rules
en/articles/pdf/sustainability_en.pdf [HTML] Ecological rules
en/articles/pdf/sustainability_en.pdf [HTML] Social rules
en/articles/pdf/sustainability_en.pdf [HTML] Sustainability in chemistry
en/articles/pdf/sustainability_en.pdf [HTML] Further readings
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pages/sustainability.php: November 20, 2013