What are some effective ways to create a safe outdoor environment for cats, including the use of enclosures?

Creating a safe outdoor environment for cats can be achieved by using enclosures such as catiOS or screened-in porches. These structures provide a secure space for cats to enjoy the outdoors while protecting them from potential dangers like predators, traffic, and disease. Additionally, ensuring the enclosure is escape-proof, providing plenty of shade, water, and hiding spots, and regularly checking for any hazards can help create a safe outdoor environment for cats.