How can I effectively stop cats from peeing on carpets?

To effectively stop cats from peeing on carpets, try the following methods:

1. Ensure the litter box is clean and easily accessible.
2. Use a pheromone spray or diffuser to reduce stress.
3. Provide scratching posts and toys for mental stimulation.
4. Consult a veterinarian to rule out any medical issues.
5. Use deterrents like citrus scents or double-sided tape on carpets.
6. Consider behavioral training or consulting a professional animal behaviorist.