To change the bulbs in the 60-foot-high ceiling lights of Buckingham Palace
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/green-promise-seen-switch-led-lighting
[2] http://admin.indiaenvironmentportal.org.in/category/author/elisabeth-rosenthal
[3] http://admin.indiaenvironmentportal.org.in/category/newspaper/new-york-times-new-york
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/environment
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/electric
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/global-warming
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/energy-efficiency
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/cfl
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/leds
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/bulbs
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/energy