Upstream Battle resources Our Upstream Battle programme is aimed at students, teachers, volunteers and other citizen scientists across the country who want to collect litter at key upstream sites, such as beside rivers, lakes and streams to provide a better understanding of the root causes of ocean pollution. Upstream Battle Step-by-Step Guide 163 KB 154 downloads … Download Event Planning Toolkit 5 MB 191 downloads … Download Backyard Battle resources Our Backyard Battle citizen science programme gets students, teachers, volunteers and other citizen scientists out collecting litter at key inland sites, such as public recreational spaces, highways and railways, car parks, residential, retail and industrial sites to help create a better understanding of litter’s pathway across our land. Backyard Battle Step-by-Step Guide 136 KB 103 downloads … Download Event Planning Toolkit 5 MB 191 downloads … Download