The bag tax is 10p [1]. California has had a similar one since 2016 with a 10 cent fee [2]. Anecdotally, the fee seems to work well in both places, or at least

The bag tax is 10p [1]. California has had a similar one since 2016 with a 10 cent fee [2]. Anecdotally, the fee seems to work well in both places, or at least single-use plastic bag use seems relatively low as most people seem to bring a reusable bag or use a backpack or similar. [1] https://www.gov.uk/guidance/carrier-bag-charges-retailers-responsibilities https://www.gov.uk/guidance/carrier-bag-charges-retailers-re... [2] https://calrecycle.ca.gov/plastics/carryoutbags/ https://calrecycle.ca.gov/plastics/carryoutbags/