Who Trades with Whom?

Network Analysis of Hazardous Waste Shipments, 2007-2012

This force-directed graph shows the companies involved in the hazardous waste trade found in our dataset. Companies that trade with one another are clustered together, with unrelated companies located farther from the respective cluster. There are large clusters around Clean Harbors, Veolia, U.S. Ecology, and World Resources Company. These companies were identified as key companies in the hazardous waste trade, with Clean Harbors being the most involved.