Every week, more than 14,500 cadets have life transforming experiences on the water.
But drifting plastic in the water makes it difficult to deliver safe, water-based activities to young people.
So we're challenging you to reduce, recycle and reuse plastic all whilst raising money for Sea Cadets.
1 August - 31 August
Everyone can join in! Get your company on board, so you can all take part.
Take on a range of environmental activities including, your plastic clean-up from waterways, cutting out single-use plastics, hosting a plastic-free event and a plastic-free future plan.
Get your pack and receive the complete guides, plans and steps to carry out each challenge.