This symposium volume presents papers and discussions regarding the conceptual transformation of the global environment. Based on past experience and the identification of obstacles, leading experts examine three issues: the possibility of technological breakthroughs, the economy of...

This paper presents an evaluation of global warming mitigation options based on scenarios from the Asian Modeling Exercise. Using an extended version of the integrated assessment model MARIA-23 (Multiregional Approach for Resource and Industry Allocation), we analyze nuclear fuel recycling...

This paper describes an integrated assessment model for the long term evaluation of policy options. When concerned with global warming issues, the assessment of policy options should deal with the interactions between energy, the economy, the environment and climate changes. We developed an...

Biomass-energy systems are considered to be environmentally superior to traditional ones from the viewpoints of the CO2 mitigation and the effective utilization of resources. However, the energy cost of these systems tends to be higher than that of conventional fossil-fuel systems. Furthermore,...

Social, technological, economic and environmental issues should be considered comprehensively for the evaluation of global-warming mitigation options. Existing integrated assessment models include assessment of quantitative factors; however, these models do not explicitly consider interactions...

One of the important future issues is how agriculture production can meet the future demand increase due to the population and the income growth. Global warming would give both positive and negative impacts on them. Agriculture is often expected to supply biofuels to meet the growing...