what kind of bag should you use?

You're filled up your cart and made it to the front of the grocery line when you're confronted with yet another choice:what kind of bag should you use?If you're seen the images of plastic bags strewn across the ocean,it might seem obvious that plastic is bad for the environment.Surely a paper bag or a cotton tote would be the better option.But is that really true?Each of these three materials has a unique environmental impact that determined by its carbon footprint,its potential to be reused and recycled,and its degradability.