It was in 1991 when the then chief economist of the World Bank, Larry Summers, had advocated that toxic waste, polluting factories should be moved to least developed countries
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/rethinking-circular-economy
[2] http://admin.indiaenvironmentportal.org.in/category/author/sunita-narain
[3] http://admin.indiaenvironmentportal.org.in/category/newspaper/business-standard-new-delhi
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/toxic-wastes
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/industrial-pollution
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/environmental-health
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/sunita-narain
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/environment
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/centre-science-and-environment-cse