Complex sentence: Some supermarkets charge their customers for plastic bags; more efficient biodegradable materials are being used in place of plastics and in some communities, businesses and universities have put a ban on some commonly used plastic items, such as polystyrene, bottled water and plastic bags.
Split into simpler sentences: Some supermarkets charge their customers for plastic bags, and in some places more efficient reusable or biodegradable materials are being used in place of plastics. Some communities, businesses and universities have put a ban on some commonly used plastic items, such as polystyrene, bottled water and plastic bags.