Have you ever thought about the human cost of producing a single chocolate bar? Probably not.

To enthusiasts of the world's most popular snack, the fact that cocoa is the main ingredient in chocolate is a no-brainer.

The reality, however, is that chocolate has a host of hidden ingredients, notably child labour, poor wages, difficult working conditions, exploitation, and resistance. There is also the high ecological cost of cocoa production. 

And now… climate change.