The tsunami of December 26, 2004, devastated many coastal areas in Sri Lanka. Curiously, the tsunami spared several areas which had mangroves - dense forests of salt-resistant trees and shrubs that grow in brackish, low-lying coastal swamps in the tropics and subtropics.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/protect-mangroves
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/daily-news-sri-lanka
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-salinisation
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/forests
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/soil-erosion
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/land-reclamation
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/mangroves
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/natural-disasters
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/cyclones
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/storms
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/tsunami
[12] http://admin.indiaenvironmentportal.org.in/category/thesaurus/industrial-waste
[13] http://admin.indiaenvironmentportal.org.in/category/thesaurus/sri-lanka