With more vapes getting thrown away every year, it's become a growing environmental problem. Vapes contain heavy metals, nicotine, and other chemicals, which leach toxic pollutants into the soil and waterways when E cigarettes: Facts, stats and regulations Ask an Expert: What you need to know about youth vaping Utah Public Radio Frequent teen vaping might boost risk of toxic lead and uranium exposure BMJ Group A toxic, plastic problem: E cigarette waste and the environment