Walk down the street, and you will probably spot finger-sized colourful plastic tubes discarded on the ground.
Disposable vapes are booming in popularity, especially among those aged 18-34. They are easy to use and cheap.
But campaigners say they are an environmental nightmare with one activist calling for them to be banned.
The vape industry told BBC News that the problem lies with unclear disposal rules and that there needs to be better national schemes for recycling.