Katie Cleary helped spread the word about the worldwide “lights out” grassroots environmental movement by people to help protect the planet. The extraordinary event is organised by WWF (World Wide Fund for Nature) and is practiced across the globe. Earth Hour was originally planned as a lights-off event in Sydney, Australia back in 2007. Since that time, it has become a huge event was reported to include more than 7000 cities and towns across the globe. So, get ready to go “Lights Out” for one hour next year with Katie!