We've got three absolutely corking listener questions on the show this week, including one from the wonderful Gillian Burke! We're answering: A South Korean motorway has a solar panel-covered bike lane in its central reservation - can we do this in the UK? How much water and waste accumulates at airport security, and can we reduce it? What's the env. impact of the north sea oil tanker crash, and how do we clean jet fuel/nurdles out of the ocean?
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