Ship Emissions Contact Do you have any questions or need more information? Don't hesitate to contact us. Dr. Volker Matthias Helmholtz-Zentrum Hereon Phone: +49 (0)4152 87-2346 E-mail contact Dr. Armin Aulinger Helmholtz-Zentrum Hereon Phone: +49 (0)4152 87-2335 E-mail contact