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 Toxic metal particles can be present in cannabis vapes even before the first use American Chemical Society Essential Guide to the Best Disposable Vape Pens How to Recycle Vapes & Their Impact First Mile Vaping: High lead and nickel found in illegal vapes BBC News