Whether you're a semi-skimmed fan or a whole milk drinker, it's likely you spot your milk on the supermarket stand based on the colour of the lid. But if you shop at Waitrose, you'll have to start ...

Biffa, which has a busy Polymers Recycling division, explains the importance and simplicity of the milk bottle recycling process. There are many different types of milk – full fat, semi-skimmed, ...