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 Disposable vapes release more toxic elements than tobacco smoke Researchers Find Toxic Metals in E Cigarette's Johns Hopkins Bloomberg School of Public Health 5 takeaways from the AP's report on Chinese disposable e cigarettes flooding the US market AP News