(Inclusion here is provided for informational and research purposes.)
An overall good source of information is The Order of the Good Death http://www.orderofthegooddeath.com/
Green Burial
With the increase in popularity of environmental awareness and recycling, people are thinking about ways to decrease their footprint at death as well. This is referred to as the “green burial” movement. Here are some references for cemeteries and places to purchase biodegradable caskets and shrouds:
Green Burial Council www.greenburialcouncil.org
Memorial Ecosystems www.memorialecosystems.com
Gem stones from Cremains:
If you want to create gem stones from your loved ones’ cremains, see this company, LifeGem: http://www.lifegem.com/
Cremains Lockets:
There are also companies that make lockets that allow you to carry a small amount of cremains with you. http://www.perfectmemorials.com/
Ocean Options:
For adding cremains to reefs in the ocean, Eternal Reef out of Decatur, GA http://www.eternalreefs.com/
For Burial at sea:
https://www.epa.gov/ocean-dumping/burial-sea
http://www.newenglandburialsatsea.com/
Alkaline Hydrolysis also known Water Cremation:
Alkaline Hydrolysis is a process that accelerates decomposition and leaves behind water and bone fragments. Some refer to it as liquid cremation. It is available in some parts of the United States. This website is a good overview:
https://www.cremationassociation.org/page/alkalinehydrolysis
Donate your body:
Donate a body to science http://www.sciencecare.com/
Donate to the Plastination Process: Dr. Gunther Von Hagein has institutes in Dalian, Heidelberg and Kyrgyzstan.
http://www.bodyworlds.com/en/gunther_von_hagens/life_in_science.html