Listing of governmental agreements (United States bilateral and multilateral) and non-governmental activities and programs affecting eight types of activity in the Arctic; access, logistics and security, science and technology, wildlife and wilderness management, environmental pollution, fisheries, energy, health, educational and cultural exchanges.

The 4th edition of Excessive Maritime Claims updates material on state practice of the law of the sea since publication of the 3rd edition in 2012 and adds new material on islands and other maritime features.