To this day in Japan, the water supply service for agricultural use has been formed as the supply-driven system. In fact, the farmers can use the utilization volume of agricultural water and they have to pay the price of agricultural water fee decided by water supplier side. However, diverse...

This study focused on the Edo city and the basin of the Tokyo bay in the late 19th century. Edo is the former name of Tokyo, Japan, and was the central political city in the Edo period, which was from 1603 to 1868. In 1603 the Shogunate Government of Edo was formed, and the Edo period was ruled...

Recently, various environmental problems have been generated with the rapid economic development in China. That's because China currently over-emphasized economic development beyond environmental issues; therefore, now it is important to enforce optimal environmental policies in order to achieve...

Increasing scarcity of freshwater resources and growing environmental awareness give rise to the use of reclaimed wastewater as an additional source of water supply. However, the amount of wastewater that can be reclaimed for reuse is subject to many factors, ranging from technical possibility...

Stockbreeding industries are increasing rapidly in rural areas around big cities in China, especially the rural areas around Beijing. This increase carries high risks to the environment due to emissions of large amounts of pollutants in terms of COD (chemical oxygen demand), T-N (total nitrogen)...

In the study, we proposed the environmental policies to decrease water pollutants that generate from household, non-point and production in Jiaxing city of China. We especially introduced biomass plant technology for pig farming industry in order to improve the water environment. We constructed...

Pollutants emitted by pollution generation sources do not only deteriorate the water quality, but the emissions of greenhouse gas also contribute to the green house effect. Material balance of biomass wastes shows there is a trade-off between water pollution and global warming. Therefore, in...

In this paper, we explore the economic impact of promotion and realization of an electric vehicle society (EVS) in Toyohashi City in Japan. More concretely, this paper emphasizes a computable general equilibrium (CGE) modeling approach to evaluate the following issues: economic impacts of...

This study employs an analytic urban economics approach, assuming that Toyohashi City takes a linear shape and there are two districts where the vulnerabilities to the earthquake in the two districts are different. That is, Toyohashi City is divided into two districts, one is safe for the...

Economic measures are advanced to environmental problems in EU nations. The economic approach imposes a constant economic load on activities negatively affecting the environment, and it is also a technique for giving a constant profit for activities conserving the environment. The whole society...