It Takes Less Than 30 Days to Compost a Human Body

In a small trial of deceased volunteers, a Seattle-based company called Recompose demonstrates that its method for “natural organic reduction” of a human body completely breaks down soft tissue.

Written byJef Akst
| 2 min read

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In less than a month, six dead people became dirt, according to results presented yesterday (February 16) at the American Association for the Advancement of Science meeting in Seattle. The trial, run by Seattle-based company Recompose, the first-ever human composting company, set out to test the effectiveness of its technique and ensure that the resulting soil product met Environmental Protection Agency safety standards for heavy metals and other contaminants.

Last year, Washington became the first state to legalize this practice of human composting. Katrina Spade, Recompose’s founder and chief executive officer, tells the BBC that compared with cremation or traditional burial, the process of composting a body—or “natural organic reduction,” as Recompose calls it—can avoid the atmospheric release of nearly one-and-a-half tons of carbon and therefore is a motivating factor for people concerned about climate change. Compared with traditional burial, composting avoids the risk that ...

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  • Jef (an unusual nickname for Jennifer) got her master’s degree from Indiana University in April 2009 studying the mating behavior of seahorses. After four years of diving off the Gulf Coast of Tampa and performing behavioral experiments at the Tennessee Aquarium in Chattanooga, she left research to pursue a career in science writing. As The Scientist's managing editor, Jef edited features and oversaw the production of the TS Digest and quarterly print magazine. In 2022, her feature on uterus transplantation earned first place in the trade category of the Awards for Excellence in Health Care Journalism. She is a member of the National Association of Science Writers.

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