We are using more plastic than ever before. It is cheaper, stronger and more useful than lots of materials that were used in the past. But where does it come from? And what impact is it having on our planet?Penguin Readers is a series of the best new fiction, essential non-fiction and popular classics written for learners of English as a foreign language. Beautifully illustrated and carefully adapted, the series introduces language learners around the world to the bestselling authors and most compelling content from Penguin Random House. The eight levels of Penguin Readers follow the Common European Framework nd include language activities that help readers to develop key skills.