Proliferation, climate change, and oil dependence share both nuclear non-solutions that frustrate U.S. foreign-policy goals and non-nuclear solutions that can achieve them. This synthesis of all three issues shows how reconciling foreign with domestic energy policy can solve these and other big problems at a profit. This essay, first posted 21 January 2010 in Foreign Policy, is expanded in the annotated paper, Proliferation, Oil, and Climate: Solving for Pattern (RMI document ID S10-02).