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Human composting is also an option:

https://www.youtube.com/watch?v=PRsopS7yTG8

Every year > 130M humans are born and >55M humans die. As mentioned in above article / video cremation isn't a very good option either as it ejects over 5,000 lbs of mercury into the atmosphere yearly.

Seattle trying to help make human composting happen:

https://www.wired.com/2016/10/inside-machine-will-turn-corps...

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> As mentioned in above article / video cremation isn't a very good option either as it ejects over 5,000 lbs of mercury into the atmosphere yearly.

That's pretty much irrelevant. Half of the mercury in the atmosphere is released naturally. The other half is mostly coal plants. Then there's some industrial processes.

https://en.wikipedia.org/wiki/Mercury_(element)#Releases_in_...

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