Environmental policy-United States Environmentalism-United States 2 Social problems and services 2 Capitalism-Moral and ethical aspects-United States 1 Capitalism-United States 1 Climatic changes-Political aspects-United States 1 Environmental problems 1 Federal institutions 1 National security-United States 1 Sustainable development-United States 1 United States-Economic policy-2009 1 United States-Politics and government 1 United States-Social policy-1993 1