We Europeans often think we are at the forefront with regard to environmental protection. We can show the world how to look after nature and how to reduce waste. More importantly, we can teach the backward populations of less advanced countries what we can do. Well, if you are one of those thinking along these lines, perhaps you should give up such prejudices and convictions, because they are unfounded. The issue of plastic carrier bags, where Europeans have a lot to learn from what has been done in Africa, including their mistakes, is a good case in point. Shopping bags are very popular and practical items, but they are so widespread that they have become a threat for the environment and for us human beings: they can last for centuries, they represent a danger for ani...