Every action counts
Help us spread the word about Earth Hour to your friends, family and website visitors by using the following official media.
Optimised for Facebook Cover Photo [851px x 315px, 96 dpi]
Optimised for Google+ Cover Image [2120px x 1192px, 96 dpi]
Optimised for Twitter Background [1600px x 1200px, 72 dpi]
Optimised for YouTube Banner [2560px x 1440px, 300 dpi]
Tell us about your event
We'll keep you updated on the latest news and how-to guide