听力原文： Plastic bags can be found almost everywhere around us....

听力原文： Plastic bags can be found almost everywhere around us. (30)According to. the American Plastics Council, 80 percent of groceries are packed in plastic bags. The numbers are absolutely surprising. It is estimated that consumers use between 500 billion and one trillion plastic bags per year all over the world. Plastic bags can be found in landfills, stuck on trees, and floating in the ocean. Some experts say that plastic bags may harm the environment. It may take hundreds of years for plastic bags to break down. As they break down, they will release poisonous materials into the water and th