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Scientists at the University of Canterbury are testing theories about how to remove methane produced by cows from the atmosphere.
They're working on biofilters, which are micro-organisms that can breakdown methane.
Dr Peter Gostomski is a Chemical and Process Engineering Professor at the University. He talks to Jesse.
Professor Peter Gostomski’s research aims to test multiple theories for removing cow-produced methane from the atmosphere. Photo: Corey Blackburn