When cleaining the cat box I usually dump the old stuff off the side of the hill near the house. First, this completely gets rid of any odor concerns. Also, by the time it hits the ground it has mostly dispersed; though I wouldn't want to be at the bottom of the hill at the time.
It seems that the other night I threw the cat poop on a skunk. Right after the toss I was acutely aware of that oh so pleasant odor rising from the ground below. Now that's what I call revenge!
Aside from that I haven't seen or smelled a skunk in weeks. I guess we still have one or two hanging around but they seem to be well clear of the house. The neighbors must have provided homes for the rest.
I think the babies have all grown up and left home. It goes so fast.