© Joel Goodman - 07973 332324 - all rights reserved . 27/09/2023 . Staffordshire , UK . LIZZIE CARR , pictured waving to a passing friend as she travels on a paddleboard on the Trent and Mersey Canal in Stone . Lizzie has built an app and recruited a network of supporters who measure and monitor the health of waterways across Britain . Photo credit : Joel Goodman