Here are some links to help in the creation of a green burial;

http://greenburialcouncil.org/wp-content/uploads/2016/02/Your-Green-Burial-Planning-Guide-2NEW.pdf

Simple Caskets, Pine Boxes and Urns

http://piedmontpinecoffins.com/

http://www.naturescasket.com/

https://www.youtube.com/watch?v=P_mKtPWDVaA  How to build a coffin

 

Shrouds

http://kinkaraco.com/

Cardboard Caskets

http://www.eeternity.com/

A cardboard casket can be purchased from a local funeral home