Coca-Cola's Dirty Secret

Coca-Cola is the biggest soft drinks producer in the world and stands accused of being its biggest polluter. Reporter Ellie Flynn - herself a big Coca-Cola lover - looks at what Coke says its doing and investigates the reality - from uncovering what happens to used bottles to Coke's claims about recycled plastic and water sustainability. Flynn examines the impact of her thirst for Coke in the UK and globally.