The state government has claimed that the proposed Aranmula airport would not be coming up on a wetland.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/aranmula-project-site-no-wetland-state-green-tribunal
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/times-india-thiruvananthapuram
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/kerala
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/wetlands
[5] http://admin.indiaenvironmentportal.org.in/thesaurus/national-green-tribunal-ngt
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/environment
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/biodiversity
[8] http://admin.indiaenvironmentportal.org.in/thesaurus/environment-clearance-ec
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/urbanisation