First Earth Hour event was organized in which year?
First Earth Hour event was organized in which year? [A]2005 [B]2008 [C]2007 [D]2010
2007
Earth Hour is a worldwide grassroots movement uniting people to protect the planet, and is organised by WWF. The first Earth Hour event was observed on March 31 2007, Sydney, Australia.
Originally written on
April 8, 2015
and last modified on
April 8, 2015.