Dr. White has expertise in the accumulation and toxicity of nanomaterials to agricultural crop species, as well as the fate and disposition of engineered nanomaterials in the environment. He also has expertise in the precision agriculture; specifically the use of nanoscale micronutrients to suppress crop disease and enhance food production. Dr. White has additional experience in the detection of pesticides, toxins, poisons and heavy metals in food. He also has expertise in the phytoremediation of persistent organic pollutants in soil, as well as more generally on the fate of organic contaminants in soils, sediments, and waters.