Cali being the most polluted is what lead them to starting up all their eco-friendly laws. kind of like the american mentality: don't do anything until things get really bad.
you stick your penis into the pipe portion and urine pours uselessly into the open cage below, spilling everywhere once the level gets higher than an inch. your butt is leaned over the tilted slide, enabling fecal matter to slide down and hit the edge of the first cup, causing the rest to fall into the second. rinse and repeat.