Although I was aware that the pollution caused by landfill couldn't be doing the environment much good, I hadn't realised quite how much the methane from such dumps contribute to global warming.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/south-africas-armies-waste-pickers-threatened-plans-manage-landfill-gases
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/international-business-times
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/environment
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/pollution
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/south-africa
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/methane
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/green-house-gases
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/global-warming
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/landfill
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/solid-waste