“…Pb-metal is lethal to all living organisms, including plants, creating an alarming condition worldwide. It has long-term effects after its entrance into the soil environment because of its non-biodegradable property [ 172 ]. Ecologists have already developed numerous approaches to combat the Pb-metal, and some of them are already used but have not proved effective due to some technical and financial restrictions in their implementation [ 173 ].…”