from Sierra Club., Mass. chapter:

“Regulating the Use of Plastic Checkout Bags:
Background information on laws and bylaws proposing a ban on checkout bags.”

Download pdf here: plastic_bags_massachusetts_2018

Noteworthy quotes:

“…the environmental expense of plastic bags far exceeds the cost retailers are currently paying to provide them….”

“The over 100 billion plastic shopping bags used each year in the United States are made from the estimated equivalent of 439 million gallons of oil….”