Releasing balloons en masse into the sky to mark funerals and other ceremonies is killing birds, say scientists who have called for the practice to be banned.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/ban-balloons-save-birds-say-scientists
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/sydney-morning-herald
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/wildlife
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/birds
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/turtles
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/marine-life