Environmentally friendly?
Uh, huh. Like disposal of highly caustic potassium hydroxide bio-goo is not an environmental problem. And cryomation? What happens when the "dust" thaws to room temperature and is exposed to moisture? Yeah, that's right, more bio-goo. Resomation? You get the bone dust, but what about... the bio-goo?
Get a window seat on your next cross country flight. Look at all that empty land in fly over country. No room for burials? Yeah, right. Try again, Rachel.