International environmental summits have addressed themes ranging from ozone protection to pollutant reduction and carbon dioxide (CO2 ) emissions. What criticisms have been leveled at the results of...

International environmental summits have addressed themes ranging from ozone protection to pollutant reduction and carbon dioxide (CO2 ) emissions. What criticisms have been leveled at the results of these conferences? To what extent is it possible to achieve global accord on environmental matters? What can be done to ensure future successes of such conferences?