The watercourses are the blue veins of the Colne Valley Regional Park, providing a lifeline for all wildlife, encouraging a diversity of aquatic and terrestrial species and giving a vital source of water, recreation and relaxation for us humans, too. Sadly, they face many challenges and threats, main ones are over-abstraction, pollution, high water consumption and the widespread problem of non-native invasive species (NNIS) our ‘space invaders’ Find out how we are helping….