Scientists have warned that oxygen content in the world's oceans has decreased by more than two per cent since 1960, putting marine life at high risk of devastating consequences.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/worlds-oceans-lost-2-oxygen-over-last-50-years-warn-scientists
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/zee-news
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/climate-change
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/marine-life
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/global-warming
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/marine-ecosystems
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/fisheries-0