Here’s another reason to not get balloons for your next occasion: They can cause power outages. According to the nonprofit Energy Education Council, Mylar balloons are made of a special type of nylon with a thin external metal coating. When these metallic balloons are released into the air, they can get caught in power lines, and this thin metal coating can cause power outages and fires. While the Council recommends using weights to secure these balloons, here’s a better idea: Don’t get them at all.
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