The United Nations Conference on Environment and Development (UNCED), held in Rio de Janeiro in 1992, represented an unparalleled opportunity for scientists, economists, planners, energy specialists, and other professionals from around the world to exchange ideas and information. Bringing together the views discussed at the corresponding International Symposium and Exhibit of Environmental Technologies (ECOTECH)--an official event sponsored by the Rio de Janeiro State Secretariat of Industry, Commerce, and Science Technology of Brazil--Pricing the Planet addresses our ecological future...