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Composting of human bodies made legal by US state for first time

Loved ones can spread soil like ashes or use it to plant vegetables or a tree

Samuel Osborne
Wednesday 22 May 2019 08:53 BST
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Katrina Spade talks about human composting at TEDxOrcasIsland

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Washington has become the first US state to legalise the composting of human bodies.

Licensed facilities will be able to offer “natural organic reduction,” which turns a corpse into soil in the span of several weeks.

Loved ones are then given the soil to spread like ashes, and can even use it to plant vegetables or a tree.

Supporters say the method is an environmentally friendly alternative to cremation and conventional burial.

Governor Jay Inslee signed the bill into law on Tuesday.

Washington state law previously dictated human remains be disposed of by burial or cremation.

During cremation, carbon dioxide and particulates are released into the air, while in the US conventional burial sees people drained of their blood, pumped full of formaldehyde and other chemicals that can pollute groundwater, then placed in a nearly indestructible coffin, taking up land.

“That’s a serious weight on the earth and the environment as your final farewell,” said senator Jamie Pedersen, the Seattle Democrat who sponsored the measure.

He said the legislation was inspired by his neighbour, Katrina Spade, who was an architecture graduate student at the University of Massachusetts, Amherst, when she began researching the funeral industry.

She came up with the idea for human composting, modelling it on a practice farmers have long used to dispose of livestock.

Katrina Spade, the founder and CEO of Recompose
Katrina Spade, the founder and CEO of Recompose (AP/Elaine Thompson)

Ms Spade tweaked the process and found wood chips, alfalfa and straw created a mixture of nitrogen and carbon that accelerates natural decomposition when a body is placed in a temperature- and moisture-controlled vessel and rotated, creating around two wheelbarrows’ worth of soil.

A pilot project at Washington State University tested the idea last year on six bodies, all donors who Ms Spade said wanted to be part of the study.

In 2017, Ms Spade founded Recompose, a company working to bring the concept to the public. It is working on raising nearly $7m (£5.5m) to establish a facility in Seattle and begin to expand elsewhere, she said.

The law, which will come into effect in May 2020, will also allow alkaline hydrolysis, which is already legal in 19 other states. The process uses heat, pressure, water and chemicals such as lye to reduce remains.

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Human composting has been legal in Sweden since 2005.

In the UK natural or “green” burials in which people are buried in biodegradable shrouds or caskets are legal.

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