GREEN BAY - Green Bay is the latest Wisconsin city to crack down on teen vaping.

The City Council unanimously gave initial approval to ordinance Monday prohibiting anyone younger than 18 from using, buying or possessing vape products. It also bans people from selling these products to minors, including through a vending machine.

Anyone who violates the policy could be fined up to $500.

Green Bay joins the ranks of cities including Stevens Point and Neenah that have banned vaping among minors amid growing concerns about vaping's health and social consequences. The council needs to vote on the ordinance one more time before it becomes official.

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Vapes, or e-cigarettes, are devices resembling pens or USBs that produce vapor by heating a liquid inside. They often contain nicotine, though marijuana vapes are also becoming common, and have become popular among teens for their wide range of flavors and discreet look.

According to the state Department of Health Services, e-cigarette use among Wisconsin high-schoolers increased 154% from 2014 to 2018. E-cigarettes were also the preferred nicotine product among students in the 2017 Youth Risk Behavior Survey. Over 11 percent reported vaping, while nearly 8 percent said they smoked cigarettes.

Twenty percent of high school students used e-cigarettes in 2018, the Department of Health Services reported.

Green Bay Police Chief Andrew Smith said vaping among teens has increased in part because it's so new.

"There's no upside to teens vaping," he said. "They're not trying to quit cigarettes at that age."