The winners are chosen based on physical attributes and skills in speaking in public on environmental matters.
In 2003 the Miss Earth Canada franchise was obtained by Rosotro Productions owned by Ronaldo Soriano Trono, and since 2004, a national contest in Montreal has been held each autumn to determine the winner.
Trisko became the first Canadian to win the Miss Earth title and spent her reign promoting environmental issues.
Aside from Canada and the Philippines, she had the chance to travel during her reign to many countries like China, Puerto Rico, and Singapore.
Laura Pastor, Miss World Canada 4th Runner up was appointed to be the delegate for 2021 but withdrew and replaced by Alice Li.