This year's Earth Hour will the be largest in Calgary's history. In addition to the incredible even hosted by the City of Calgary on Saturday, March 19th from 7:00 - 9:30 PM at St. Patrick's Island park, several Calgary buildings are participating in Earth Hour!
How are you participating in Earth Hour, let us know! Tweet @openstreetsyyc #earthhouryyc
Suncor Energy Centre
Eight Avenue Place
Fifth Avenue Place