Owners clearing up after the UK's 11 million estimated pet dogs have a bewildering array of bags from which to choose.
Some are labelled 'degradable', others are called 'biodegradable', 'compostable and biodegradable' or 'recycled.'
So which ones are best for the environment? And what is the most environmentally friendly way of disposing of our dogs' doo?
Greg Foot is on the case on behalf of listeners including Nicola Jones and Craig Hart who are perplexed by the claims being made on dog poo bags.
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PRESENTER: Greg Foot PRODUCER: Jon Douglas