Pesticide means any substance, or mixture of substances of chemical or biological ingredients intended for repelling, destroying or controlling any pest, or regulating plant growth. Pesticides are inherently toxic, and among them, a small number of Highly Hazardous Pesticides, cause disproportionate harm to the environment and human health. The Food and Agriculture Organization (FAO) and the World Health Organization (WHO) Guidelines on Highly Hazardous pesticides (UNEP, 2021) adopted the following definition: