Upstream is a passive intervention, using the water's current to capture waste.
The catchment's simple design can be adapted to suit differing waterway sizes.
The storm water drains provide workers with safe access to the catchment.
A circular life cycle: More catchments can be made from the plastic it collects.
Nearby boards provide interested viewers with more information on the issue.
Upstream is light enough to be emptied by one worker, even when full of debris.