When the Protocol on Environmental Protection to the Antarctic Treaty entered into force on 14 January 1998, a new phase commenced for the Antarctic Treaty System. The parties to the Protocol are today confronting issues related to the implementation of a complex international environmental protection regime, both in international and domestic contexts. Several crucial implementation questions need to be solved in order to enhance and make possible the implementation of the Protocol. What would be the consequences for the parties of a possible failure in resolving the pending implementation...