There is a growing concern about the effect of fossil-fuel burning, and the consequent increase in carbon dioxide (CO 2) concentration in the atmosphere. This increasing concentration is now well-documented, and although the evidence of actual or potential climate changes is not conclusive, the growth in energy consumption magnifies the importance of the possible dangers. This article highlights two aspects of the issue. The CO 2 increase will be mainly produced by coal. And whereas the increase in atmospheric CO 2 is now being imposed upon the world principally by the USA, the USSR, and Western Europe, the developing countries will probably be important contributors by early in the next century. Using world energy resource estimates and projections of the global production of CO 2 from fossil-fuel burning in the year 2025, the authors argue that it will be difficult to achieve an international consensus and commitment to deal with the issue. This is because of the relationship between economic growth, industrialisation, and the production of CO 2, and because of the distribution of the beneficial and harmful effects of any climatic change.