id	keyword
iiclr-17486	environmental
iiclr-17486	trade
iiclr-17486	nafta
iiclr-17486	u.s
iiclr-17486	mexico
iiclr-17486	note
iiclr-17486	supra
iiclr-17486	waste
iiclr-17486	free
iiclr-17486	hazardous
iiclr-17486	supra note
iiclr-17486	agreement
iiclr-17486	border
iiclr-17486	law
iiclr-17486	int'l
iiclr-17486	mexican
iiclr-17486	international
iiclr-17486	epa
iiclr-17486	species
iiclr-17486	enforcement
iiclr-17486	american
iiclr-17486	review
iiclr-17486	states
iiclr-17486	united