The fairest and most effective counterclaim to the argument that the only solution to the problem of plastic waste from bottled water is to ban plastic bottles is:
C. There are places where tap water is not drinkable, and in these places bottled water is distributed in emergency situations and is a lifesaver.
This counterclaim acknowledges the necessity of bottled water in certain situations where safe drinking water is not available, thereby providing a nuanced perspective on the issue. It emphasizes the important role bottled water can play in public health and safety, making it a more compelling and thoughtful counterpoint to the proposed ban.