The Bios Urn has been developed by Barcelona-based estudimoline . Relatives can choosing what kind of seeds they want to use with the urn . Seeds currently available include pine , gingko , maple , oak , ash and beech . The biochar is made from a mixture of wood chips that are mixed together in an oven at high temperatures for several hours until all the carbon dioxide ( CO2 ) is removed. The urn is then buried in the ground and starts to biodegrade when the roots are strong enough to come into contact with the ashes . Bios Urns cost $ 145 ( £98 ) plus shipping costs .
The Bios Urn has been developed by Barcelona-based estudimoline . Relatives can choosing what kind of seeds they want to use with the urn . Seeds currently available include pine , gingko , maple , oak , ash and beech . Ashes are placed in the urn and seeds are mixed with soil in the capsule . The urn is then buried in the ground and starts to biodegrade when the roots are strong enough to come into contact with the ashes . Bios Urns cost $ 145 ( £98 ) plus shipping costs .