By Rosanne Skirble – It is hard to imagine a world without plastic. Plastic keeps our food fresh and protects medicine. It is used in all kinds of consumer products, from electronics to fountain pens. But while plastic is a $374 billion industry in the United States alone, it also has become a major global environmental headache, littering roads and contaminating waterways. In this report, VOA’s Rosanne Skirble considers the impact of plastic on the world’s ecosystems, and what to do about it.