Regarding a supplemental trade agreement for addressing environmental issues posed by the implementation of the North American Free Trade Agreement.

Directs the President to negotiate with Mexico and Canada in order to enter into a trade agreement which obligates the parties to: (1) impose a special uniform import fee on the importation of each other's goods; and (2) establish a trinational commission which shall create a fund from such fees which shall be applied in enforcing the environmental protection provisions, including standards applicable to imported goods, of the North American Free Trade Agreement and parallel cooperative environmental protection plans developed by such parties.