Final answer:
The NYC health department recommends using cayenne pepper to deter raccoons. Cayenne pepper's strong odor and taste effectively repel raccoons in an eco-friendly manner.
Step-by-step explanation:
The NYC health department suggests using cayenne pepper as a repellent to keep raccoons away. Specifically, the Cayenne type of pepper should be sprinkled around areas where raccoons are not wanted, as its strong smell and spicy taste are deterrents to these animals.
It is important to note that this method is intended to deter raccoons, not to harm them, and is an eco-friendly solution compared to chemical repellents.