Diagnosis of Challenges and Uncertainties for Implementation of Sustainable Aviation Fuel (SAF) in Colombia, and Recommendations to Move Forward

This article reviews the current scenario and the main uncertainties and challenges associated with implementing Sustainable Aviation Fuel (SAF) in Colombia, from which it determines the possible certified technologies under the ASTM D 7566 standard as well as co-processing technologies contemplated within the ASTM D 1655 standard, more suitable...

From city branding to urban transformation: How do Chinese cities implement city branding strategies?

Chinese cities have experienced unprecedented economic growth and urban population expansion in the last four decades. However, a variety of social and environmental problems is associated with urbanization. Cities try to grapple with these challenges but simultaneously find themselves locked in an intense competition with other cities. City...

Reframing deadlocked airport policy discourse: New perspectives on sustainable aviation in the Netherlands

Open, online, flexible and technology-enhanced: understanding the educational business models of tomorrow

Niche entrepreneurs in urban systems integration: On the role of individuals in niche formation

In many sustainable urban innovation projects, the efforts, endurance and enthusiasm of individuals at key positions are considered a crucial factor for success. This article studies the role of individual agency in sociotechnical niches by using Kingdon’s agenda-setting model. Although strategic niche management is commonly used to study...

Exergy and Sustainability: Insights into the Value of Exergy Analysis in Sustainability Assessment of Technological Systems

A major challenge in striving for a more sustainable society is the selection of technological systems. Given the capital intensity of industrial production plants, power generation systems and infrastructure, investment decisions create path dependencies for decades to come. It is difficult to know which technological system is preferable when...

Long term planning for the water supply system of the Metropolitan Area of Amsterdam under new water saving regimes of the retail customers: Understanding the system and addressing uncertainties

The centralized drinking water supply system of the Metropolitan Area of Amsterdam, operated and owned mainly by Waternet, has high performance indicators and satisfies the full demand for water in the urban grid and surrounding areas on a full cost recovery basis. Social and technological developments, stemming mainly from (i) the increasing...

The Power Trading Agent Competition

This is the specification for the Power Trading Agent Competition for 2012 (Power TAC 2012). Power TAC is a competitive simulation that models a “liberalized” retail electrical energy market, where competing business entities or “brokers” offer energy services to customers through tariff contracts, and must then serve those customers by trading...

Major challenges to education for sustainable development: Can the current nature of institutions of higher education hope to educate the change agents needed for sustainable development? Massachusetts Institute of Technology, USA

Scholars and professionals committed to fostering sustainable development have urged a re-examination of the curriculum and restructuring of research and teaching in institutions of higher learning. This paper begins by discussing an expansive definition of sustainable development that includes economic, environmental, and employment concerns...

Exergy and Sustainability

A thorough qualitative investigation of the relation between exergy losses and environmental problems has been conducted. Environmental effects being taken into account include climate change, acidification, eutrophication, disposal and dissipation. It is concluded that almost all environmental effects can be taken into account by studying the...

The ecology of metals