A System D asset that should be formalized and why to we categorize them as 'illegal'?. Jon Spaull reporting on SciDev:
Illegal small-scale gold mining is a huge problem in Ghana, both for the environment and for public health. But it also brings economic benefits. Crucially, the income from small-scale mining remains in the country and benefits people directly, unlike in the case of large-scale mining, where private companies often repatriate their profits overseas.