In recent years, North American countries have made tremendous progress towards strengthening laws and regulations governing the management of hazardous waste and hazardous recyclable materials within their own boundaries and for their transboundary shipment. However, the availability, usefulness and comparability of data related to hazardous waste generation and disposal remains a challenge. In addition, greater efforts must be directed towards the sound management and appropriate monitoring of these wastes and materials as they are transported across North American borders.