Your weekly roundup of what cities are banning around the world.
Cost of entry to this unusual Swiss show: One plastic sack (seriously).
Also, L.A. outlaws plastic bags; Lady Gaga ponders violent threats in Jakarta; and much more.
Cities ban things! Also in this week's edition: D.C. outlaws Occupy protesters and large dogs are no longer welcome in one Chinese city.
How a variety of policies aimed at reducing the environmental impact of shopping bags are working