At this time of year, a bracing walk in the countryside is a popular way to spend an afternoon in the winter sun.
However, that can be marred if you repeatedly come across litter - and that's a problem that one charity has seen an increase in since the turn of the year.
So much so, that Northumberland Wildlife Trust, which manages more than 60 nature reserves in the North East, has called on the public not to dump their post-Christmas rubbish on its reserves around the region.
