The paddleboarder wading through plastic

One woman is using her smartphone and paddleboard to rid London's rivers and canals of litter.

Lizzie Carr has designed an app that allows users to log photos of discarded plastics and she's hoping it will help to make a difference to our environment.

This video has been optimised for mobile viewing on the BBC News app. The BBC News app is available from the Apple App Store for iPhone and Google Play Store for Android.

  • London