It turns out that our world's seas are quickly becoming ecosystems where species are at risk for extinction.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/scientists-discover-extinction-risk-20-25-percent-marine-species
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/science-world-report
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/biodiversity
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/marine-life
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/marine-ecosystems
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/oceans-and-seas
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/extinct-species