Things not mentioned:<p>Contamination from reusable bags.<p>Factoring in cleaning said bags.<p>So called single-use-bags are often reused.<p><a href="https://reason.com/2019/04/11/california-plastic-bag-bans-spur-120-per" rel="nofollow">https://reason.com/2019/04/11/california-plastic-bag-bans-sp...</a><p><a href="https://www.npr.org/sections/money/2019/04/09/711181385/are-plastic-bag-bans-garbage" rel="nofollow">https://www.npr.org/sections/money/2019/04/09/711181385/are-...</a>