The do-away with plastic bags bandwagon is abruptly rolling at full speed. What lies behind the sudden impetus is unclear, but in Portland at leas the push is on.
Although, Jack Bogdanski makes a useful point: "At our place, every plastic grocery bag gets reused, usually for household garbage. If the stores stop handing them out, we'll just buy a box of them every now and then. It's not clear how this will help the planet."