Why disposable vapes are becoming an environmental liability CBC News SWEEEP warns used e cigarettes are 'potentially hazardous' letsrecycle.com 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 Research Shows that Five Million Vapes Are Thrown Away Each Week in UK Disposable Vapes Ban Highlights Urgent Need for Safe Recycling