Wim de Vries is a professor at the Environmental Systems Analysis Group of Wageningen University where he holds the chair "Integrated nitrogen impact assessment?. His research is currently organized around impacts of the elevated use of nutrients (especially nitrogen and phosphorus) in agriculture on air-, soil - and water quality and related impacts on crop and forest productivity and plant species diversity. His special research interest is in the field of soil chemistry with special reference to soil acidification, nutrient cycling, greenhouse gas emissions and heavy metal pollution. He has authored and co-authored about 600 publications on the above-mentioned topics, including ca 200 publications in international peer reviewed journals. He has co-edited three special issues on Nitrogen Fluxes to Air and Water in Environmental Pollution, on Nitrogen related Greenhouse Gases in Current Opinion in Environmental Sustainability and on impacts of nitrogen deposition on forests at global scale in Environmental Pollution.