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Because You Asked

Because You Asked: Can I Compost Kitty Litter?

By Recyclebank |
Composting pet waste is a bad idea — and there are other options for cat lovers to be eco-friendly.

Dear Recyclebank: I have several kitties. I was wondering if there is any way to recycle or compost kitty litter? –Noelle L.

Dear Noelle: Having multiple feline friends means kitty litter can really pile up, so bravo for looking for a green solution to cat waste in your efforts to be an eco-friendly cat owner.

Unfortunately, composting is probably not the best way to go.

“We caution against composting or disposing of used litter in a yard or garden because of a possible bacteria found in cats’ waste, which may be harmful to humans and other animals,” says Bob Vetere, president and CEO of the American Pet Products Association. This bacteria causes toxoplasmosis, which is particularly harmful to pregnant women or infants. Vetere also says that some litter products contain additives and perfumes, so it shouldn’t be used in gardens or compost piles even if it hasn’t yet been used by cats.

According to Vetere, as well as several manufacturers we researched, the landfill-bound trash is the safest place to dispose of used kitty litter.

“Most cat litters are made from natural, superabsorbent clay. While it cannot further biodegrade like leaves, yard waste, or some alternative litter, its absorption characteristics continue when it is disposed of, which helps to limit harmful materials from entering water resources after disposal,” notes Vetere. (Because of its absorbency and ability to contain toxic substances, clay is used to line landfills.)

That said, there are definitely ways you can minimize your cats’ carbon “paw” print in their litter box:

  1. Seek out lightweight litters, like those from Cat’s Pride, which can be transported more efficiently, reducing the gas and energy needed to transport the product to stores.
  1. Avoid litter containing sodium bentonite, a clay derived from volcanic ash that is mined in an environmentally detrimental manner.
  1. Find a cat litter made of more sustainable materials. There are litters on the market made from coconut, from wheat and from recycled newspaper. These litters are made with renewable materials, however, litters made of plant-based products like corn and wheat will decompose in landfills, creating methane gas emissions. Perhaps the best option of these litters is the one made from recycled newspaper because it can extend the life of that already used material.
  1. Or you could teach your cat to use the toilet like everyone else. With this route, you wouldn’t have to worry about what brand of litter to buy, or how to dispose of it at all!

Even though composting litter is a bad idea, you can still do your part by incorporating one of these more sustainable options into your household.

How do you make your cat’s litter box greener? Share your ideas in the comments below.
Share with Your Friends & Family
  • Lou A. 2 days ago
    We purchased a cat genie, no more litter. Clean, convenient, and environmentally friendly.
  • Jennifer S. 19 days ago
    Some cats can be allergic to the Pine, or wheat litters- so be aware. Also cats are very finicky about changes in their litter and may go on potty strike if the litter smells or feels different to them. They will relieve themselves outside the box to show you their disapproval. The health & safety of your pet should be weighted, risk vs reward.
  • Dana B. 29 days ago
    You can use Feline Pine and compost it or you can use Equine Pine as kitty litter. We use it and our cats love it. It doesn't smell as bad as the regular litter and Equine Pine or whatever pine pellet horse litter you can buy costs $5 for a 40 lb bag.
  • April P. 1 month ago
    What about feral cats using my yard? There is poo everywhere. I used to have a raised garden for growing vegetables but it became the biggest most expensive litter box. I just stay away from it. What do I do with the poo?
  • Ruth N. 1 month ago
    aprendo mucho de como recyclar y ademas gano puntos, muchas gracias
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