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Which Is More Environmentally Friendly: Paper or Plastic?

By: Jane McGrath  | 
plastic bag ban
As stores and cities revolt against traditional plastic bags, is paper really a greener choice?
David Paul Morris/Getty Images

As you wrap­ up your weekly grocery shopping and get in line at the supermarket, it's time for yet another difficult choice. The cashier mechanically spouts at you, "Paper or plastic?" referring to what kind of bag you'd prefer. For some people, it's a stressful decision. Convenience is pulling you toward plastic, but a nagging green conscience might automatically push you toward pa­per. However, it's raining, and if your paper bags break, it could ruin your purchases. On the other hand, is it selfish to put immediate convenience over the thousands of years it might take for a plastic bag to degrade in a landfill? But wait a minute — aren't we encouraged to save the trees and avoid overusing paper?

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­Consumer consciences aren't the only ones plagued by the "paper or plastic" question. Grocery stores pay less for plastic bags but get pressure from environmental groups to stop offering them. So retailers and even cities are deciding to stop asking the familiar question. Instead, they're making the decision for us. Touting environmental concerns, the grocery store chain Whole Foods stopped giving out plastic bags in 2008. Entire cities like San Francisco and Oakland, have passed measures restricting — or even banning — the use of plastic bags in grocery stores.

In response to Oakland's ban, an organization backed by plastic manufacturers sued the city. The Coalition to Support Plastic Bag Recycling claimed the city failed to do enough research into the repercussions of such a ban. The suit wasn't on the grounds that a ban would wreak havoc on plastic profits but rather on the environment. The coalition claimed plastic is just as green as paper or, perhaps more accurately, paper is just as harmful to the environment as plastic [source: Heredia]. It contended that replacing plastic bags with paper might cause more harm than good to the planet.

So what's it gonna be: paper or plastic? Both come with distinct disadvantages to the environment.