We use lots of canvas bags. I request paper bag if needed and I can. We recycle loads too. In our community almost everything can be recycled- it would be interesting to call the garbage company and find out what they do with the plastics.
Anyway- you can knit tote bags out of plastic grocery bags- they might be sturdier and, well they will last awhile anyway, but you can maybe reuse the plastic in a better way. I might have to try that myself.
May Peace Prevail on Earth.
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