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 5 takeaways from the AP's report on Chinese disposable e cigarettes flooding the US market AP News Vape Waste 2 Disposable vapes are more toxic than cigarettes, contain lead: Study Yorkshire Smokefree