Soil pollution is not something most of us think about, but the Norwegian Environment Agency has registered around 8,300 sites in Norway and Svalbard where there is or is suspected soil pollution. This may be due, among other things, to emissions from industry or leaks from landfills.
Heavy metals in particular are a cause for concern, as they are not degradable and can accumulate in the environment. Being exposed to high doses through food can lead to cancer development and failure of various organs in the body.
Biochar has a unique property of absorbing and binding the pollutants from the soil and making them inaccessible to organisms. All over the world, more and more research is being carried out to identify the possibilities and good practices of using biochar as a means of soil remediation.