EPA researchers are testing biochar on the grounds of the Salt Chuck Mine,a former mine located on Prince of Wales Island in southeast Alaska. Photo: Jsayre64 CC BY-SA 3.0 DEED Attribution-ShareAlike 3.0 Unported

Alaska researchers use biochar to decontaminate soil from copper

Researchers want to exploit biochar’s ability to absorb heavy metals. U.S. Environmental Protection Agency is currently at work on the soils of a former mine

Re Soil Foundation