CBS Reports that a study led by Anglia Ruskin University in Cambridge found that cigarette butts are an even bigger problem than plastic straws. The report found that cigarette butts left in grass and soil cause stunted plant growth and that cigarette butts are the most pervasive man-made contaminant and most littered item worldwide. CBS says researchers found that this waste cuts down the germination success of grass 10 percent and shortens the shoot length of a clover by up t...