When I was a mother to be, there was not a whole lot of choices out there for anything that was green. We had glass bottles and cloth diapers which are two big green choices but most mothers readily jumped on the Pampers bandwagon because they were easy and convenient.
Instead of using baby oil on your baby's head for cradle cap, try using virgin organic coconut oil instead. As a natural product, coconut oil is much better for the skin than the chemical-laden lotions and oils most people slather on their children.