Earth Hour was famously started as a lights-off event in Sydney, Australia in 2007. Since then it has grown to engage more than 162 countries and territories worldwide. Earth Hour 2015 is on 28 March 2015, 8:30 pm.

WWF Guianas will be taking part – so watch this space for more information!  In the meantime why not visit the official website  or watch the official EH2015 video.