Banning Plastic Bags Works to Limit Shoreline Litter, Study Finds They found areas that adopted plastic bag policies saw a 25 to 47 percent reduction in the share of plastic bag litter on shorelines, when compared with areas without policies The longer a policy
Do Plastic Bag Bans Actually Work? - Study Finds The policies also worked best in places that needed them most Areas with high levels of plastic bag litter before implementing policies saw the biggest improvements, while places that already had low plastic bag litter showed minimal change In high-litter areas, plastic bags made up about 13 2 percent of collected items before policies took
Plastic bag bans and fees work to curb litter, study says Co-authors environmental economist Anna Papp and Kimberly Oremus, a marine science and policy professor at the University of Delaware, found that the number of plastic bags collected as shoreline litter in places with bag policies dropped by at least 25%, and up to 47% over six years than in locations that did not have regulations
Efficacy of plastic bag bans | UDaily - University of Delaware For instance, they found more robust impacts from state-level policies than town-level policies, with fees appearing to reduce litter even more than bans, though more study is needed to understand why Another finding was that the bag bans and fees were most effective in places where the plastic bag litter problem was more severe to begin with