Cleaner ways to dispose of the deceased are becoming available, from dissolving a corpse in chemicals to freeze-drying it to a powder.
Links:
[1] http://admin.indiaenvironmentportal.org.in/feature-article/green-machine-its-your-eco-friendly-funeral
[2] http://admin.indiaenvironmentportal.org.in/category/author/helen-knight
[3] http://admin.indiaenvironmentportal.org.in/category/journal/new-scientist
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/environment
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/carbon-dioxide
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/biodegradable-waste
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/mercury
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/united-kingdom-uk
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/united-states-america-us
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/environment-management
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/land-use