Baglaws.com: a resource about laws related to plastic and paper bags across the United States
Montgomery County, Maryland website : Comprehensive information about the bag program in Montgomery County, Maryland, which applies to 21 municipalities
Environmental impact comparison between plastic and paper bags: This is a summary of overall environmental impacts between plastic and paper bags, using a compilation of various studies.
“What is a ‘Reusable’ Bag?”: Information and definitions related to single-use and reusable bags
Hannaford position letter on Portland’s bag ordinance
NRCM blogpost: “Five cents for a disposable bag? No thanks, I’ve brought my own!”
New York Times editorial: “Ten cents a bag? That’s about right.“
Washington Post blog: “The surprising reason why those 5 cent charges for plastic bags actually work”
The Majestic Plastic Bag—A Mockumentary This four-minute YouTube video cleverly explains what happens to a plastic bag in the environment.
List of U.S. municipalities with bag ordinances, compiled by Portland’s Green Packaging Task Force