I’d choose paper bags for my groceries, but since plastic bags are offered for free in shops and said to be not that bad for the environment, it’s hard to resist them. What is more eco-friendly: plastic or paper shopping bags? A: Neither. We have been conditioned to believe that paper bags are eco-friendly. Paper is made from trees, which are logged by clear-cutting methods. When the collected trees are dry, they are cooked into a pulp for many hours in a chemical mixture. The pulp is then washed and bleached; both stages require thousands of gallons of clean water….