But it's the past six years as a criminal intelligence officer with Interpol's environmental security program that has shocked him the most.Illegal waste trafficking, for example, accounts for $10 to 12 billion (€10.28 to 12.34 billion) annually, according to 2016 figures from the United Nations Environment Program.An experienced investigator and a public prosecutor worked together to coordinate on cases of environmental crime in North Rhine-Westphalia, advise the authorities and conduct some of the investigations themselves."Experts say that Europe-wide operations centers are needed with judges, public prosecutors, police and customs officers who have been trained in tackling environmental crime.Lawbreakers can go unpunished and there are too few incentives to observe the law," explained European Environment Commissioner Virginijus Sinkevicius last year."