25 Jul 2024

Estuaries: nature's sieve for plastic

From Afternoons, 1:35 pm on 25 July 2024

The ocean is often the first place that comes to mind when people think about where plastic ends up, but new research shows most of it is getting caught as estuaries and coastlines before it heads out to sea.

A team of Auckland University researchers used the Waitematā estuary as their testing ground to see how much plastic would be retained and were astonished by the results. Jesse chats with the study's lead, Melissa Bowen.

Tourists generate more trash in small island developing states - and 80% ends up in the ocean.

Tourists generate more trash in small island developing states - and 80% ends up in the ocean. Photo: Oleg Doroshenko/123RF