Earth Hour, put on by the World Wildlife Fund, is a phenomenon that has taken the the world by storm. Originally founded in Australia, and now in its third year in the U.S., people all across the country are turning off their lights for a designated hour of observance. Earth Hour, put on by the World Wildlife Fund, is a phenomenon that has taken the the world by storm. Originally founded in Australia, and now in its third year in the U.S., people all across the country are turning off their lights for a designated hour of observance.