Environmental management systems (EMS) require performance evaluation of significant environmental aspects. Much has been published on how to achieve environmental performance evaluation but little information is available on applications in practice. The Swedish National Rail Administration,...

The curbing of greenhouse gases (GHG) is an important issue on the international political agenda. The substitution of fossil fuels by renewable energy sources is an often-advocated mitigation strategy. Wind energy is a potential renewable energy source. However, wind energy is not reliable...

Although it is not at once evident, water supply and sanitation services provided by urban water and wastewater utilities consume a considerable amount of energy. Energy is an operational sine qua non in water treatment and distribution, wastewater collection, and treatment prior to disposal....

Energy consumption in the operation and maintenance phase of the urban water and wastewater network is directly related to both the quantity and the desired quality of the supplied water/treated wastewater – in other words, to the level of service provided to consumers. The level of service is...