Beneath the surface of the Thames is a mass of plastic waste, from wet wipes to microscopic clothes fibres. These microplastics have been found inside seals, porpoises, whales and fish, as well as in the stomach of almost every crab collected by Museum scientist Alex McGoran. Alex shares her finding with change maker Melati Wijsen who founded Bali’s campaign Bye Bye Plastic Bags.

00:00 What do biologists want to know about plastic?
00:40 An introduction from Melati Wijsen
01:07 Alex McGoran shows Melati Wijsen plastic found in the river Thames
01:18 Wet wipes in the river Thames
01:34 How old is plastic in the river Thames?
02:05 One of the biggest problems in plastic pollution
02:25 How do we know animals are eating plastic?
03:01 How can we use scientific data to influence government policies on plastic

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