LETTERS

摘要

You mention work on food sachets that can be recycled (22July, p 39). That would solve entirely the wrong problem. People who can afford only single sachets are trapped in a cycle of poverty, because daily sachets are much more expensive than the same amount of product in a larger bottle. They can never save up enough to buy a larger bottle, because their daily lives are too expensive. As the writer james Baldwin put it: "Anyone who has ever struggled with poverty knows how extremely expensive it is to be poor."