A protective film 50,000 times thinner than a human hair could be used to protect coral reefs from rising temperatures.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/sun-shield%E2%80%99-could-be-used-protect-great-barrier-reef-warming-say-scientists
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/independent-united-kingdom
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-resources
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/corals
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/marine-ecosystems
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/australia
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/global-warming
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/climate-change