Engineering schemes could lead to one of the world's largest wetlands running dry every four years.
Links:
[1] http://admin.indiaenvironmentportal.org.in/feature-article/niger-river-dams-could-displace-15-million
[2] http://admin.indiaenvironmentportal.org.in/category/author/fred-pearce
[3] http://admin.indiaenvironmentportal.org.in/category/journal/new-scientist
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/niger
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/mali
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/wetlands
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/rivers
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/aral-sea
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/drainage
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/dams