New challenges such as civil conflict within states, population growth, mass migrations, environmental degradation, new human rights concepts and the need for representative government are making it imperative to reform the UN. Proposals for restructuring the UN can be evaluated using 10 criteria, including those in a report on the future of the international agency by the Independent Working Group on the United Nations. These 10 balances include that between the interests and perspectives of states and those of nongovernmental organizations and other nonstate actors and that between the preservation and abolition of state sovereignty.