We investigate "green burial" which is apparently just a new term for a modern twist on a very long standing tradition most humans pre-19th century would simply call "burial."

Links:

https://www.greenburialcouncil.org/

http://www.greenburialcanada.ca

CBC Article: https://www.cbc.ca/life/culture/green-burials-everything-you-need-to-know-about-the-growing-trend-1.5340000