If you're tired of litter being tracked out of your cat's litter box, you could buy a pricey top-entry litter box to help contain the mess. You could, alternately, assemble this inexpensive DIY ...

New York City is home to more than 23,000 litter baskets that offer pedestrians a convenient way to dispose of trash and recycling on the go. The most widespread design -- the green, wire mesh ...