“Would you like paper or plastic?” has been replaced in the checkout aisle with “How many store-provided plastic bags did you use?” If you have wondered whether the relatively minor charge for plastic bags could possibly make a difference, Fairfax County has the answer for you. Since the introduction of its 5-cent bag tax, Fairfax has seen a reduction of 3.6 million plastic bags and the tax from plastic bags still being used is funding environmental programs.