When it comes to litter, every little helps - and that's why people all over the world are doing their bit to fight litter.Read more
Paddle boarder Lizzie Carr takes her plastic patrol to the waterways.
Campaigners say much more needs to be done to prevent storm sewers in Wales emptying into waterways.
BBC News Online
Environmental activists have returned to Cornwall from uninhabited parts of the Isles of Scilly after a big clean-up operation to tackle the problem of plastics in the sea.
Plastic bottles, ropes, buckets and all kinds of debris washed up from around the globe and the volunteers have brought back 35 huge sack loads of rubbish which they found on the islands' beaches or drifting at sea during their two-week trip.