DULUTH, MN (KDAL) - Among the area attractions that will join in the worldwide "Earth Hour" on Saturday will be the Lake Superior Zoo and the Aerial Lift Bridge in Duluth. Both will be shutting off the lights for an hour starting at 8:30 p-m. The zoo will also host a special event with a campfire, entertainment, treats and a flashlight tour of the zoo grounds. This is the 8th year of the "Earth Hour" campaign where people are urged to acknowledge their concern for the planet's well-being and make a commitment to make changes that would facilitate a sustainable lifestyle. Get more information at earthhour.org
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