Advancing pollution prevention and cleaner production - USA's contribution

The papers in this issue are representative of much larger activities in each of these categories. Most P2 activity occurs in the states and by the private sector. With the available space it is not possible to adequately represent everything that is going on in all its aspects, including academia. For the future, three grand challenges are described: maintaining public support, competing priorities affecting P2 implementation by businesses, and the challenges of documenting P2 progress.