The Institute for 21st century studies (today Millenium Institute), established in 1983 by Gerald O. Barney and his team in Washington, aimed at elaboration of studies searching of alternative national futures. In 1990 this institute offered help in elaboration of a national study also to Czechoslovakia. The emphasis is in searching of environmentally, socially and economically sustainable strategies. The aim of the study is to prepare basis for formation of sustainable development (and/or sustainable living) for both republics. The elaboration of the study acts upon the following steps: 1. basic sectoral analysis, 2. integration of sectors, 3. formation of alternative scenarios of society development, 4. implementation activities. In formation of alternative scenarios and in elaboration of a detailed scenario of desirable sustainable development of the society a starting point was 6 proposals of scenario: Classic (liberal) monetary-market economy, Classic monetary-market economy respecting care of the environment, Monetary-market economy of Keynesian, Socially oriented market economy respecting care of the environment, Orientation of the society to sustainable development and the so called Wild Card.