I'd say the alternative is cloth reusable bags rather than paper. It's what I use.
It's stronger and easier to handle than plastic; you just need to remember to bring one with you. My partner keeps one in her bag permanently in case she shops on a whim.
It's stronger and easier to handle than plastic; you just need to remember to bring one with you. My partner keeps one in her bag permanently in case she shops on a whim.