Interesting discussion of different end of life methods and their environmental impact:

"Living Planet: Deep Dive: How eco-friendly funerals are changing traditions"
https://www.dw.com/en/deep-dive-how-eco-friendly-funerals-are-changing-traditions/audio-70524933?maca=en-podcast_living-planet-948-xml-mrss

Turns out the human composting is still illegal everywhere in Canada (but not some states like Washington), but embalming and licensed funeral services are not required:

https://www.ontario.ca/page/arrange-funeral-burial-cremation-alkaline-hydrolysis-or-scattering