Following is a transcript of the video. Irene Kim: You've heard of Juul. It's the highest-selling and fastest-growing e-cigarette on the market. In 2017, it generated $224 million in revenue.

With no clear take-back program from Juul, these vaporizers are difficult to dispose of properly. Credit: lili sams/mashable Your Juul may not kill you, but it's definitely not doing the planet ...

Juul launched in 2015, and within two years on the market, its popularity skyrocketed. Cofounders Adam Bowen and James Monsees were hoping to create a satisfying alternative to cigarettes for ...