Energy research, environment, applications and sustainable development
© Aristotle University of Thessaloniki (6/2009)
Power from natural resources has always had great appeal. Coal is plentiful, though there is concern about despoliation in winning it and pollution in burning it. Nuclear power has been developed with remarkable timeliness, but is not universally welcomed, construction of the plant is energy-intensive and there is concern about the disposal of its long-lived active wastes. Barrels of oil, lumps of coal, even uranium come from nature but the possibilities of almost limitless power from the atmosphere and the oceans seem to have special attraction. The wind machine provided an early way of developing motive power. The massive increases in fuel prices over the last years have however, made any scheme not requiring fuel appear to be more attractive and to be worth reinvestigation.

Sustainable energy: challenges of implementing new technologies in Sudan
© Aristotle University of Thessaloniki (6/2009)
Sudan is an agricultural country with fertile land, plenty of water resources, livestock, forestry resources and agricultural residues. An overview of the energy situation in Sudan is introduced with reference to the end uses and regional distribution. Energy sources are divided into two main types; conventional energy (petroleum products, and electricity); and non-conventional energy (biomass, solar, wind, hydro, etc.).

Wind energy resources in future climate change
© Aristotle University of Thessaloniki (6/2009)
There is much uncertainty about future climate change and its impact on the environment. One of the crucial issues is how the climate change will affect non-fossil natural resources, including the wind that can be used for energy conversion.

Ewec 2009, a key event at a critical time
© Editorial OMNIMEDIA S.L. (2/2009)
The European Wind Energy Conference (Ewec) 2009 comes at a critical time. Organised by the European Wind Energy Association (Ewea), it will be the sector’s fi rst largescale discussion of the historic Renewable Energy Directive, newly agreed by the EU in December 2008.

Towards a biobased economy: co-digestion within the north sea bio energy project
© European Compost Network ECN e.V. (10/2008)
This paper focused on research performed within the theme use of biomass for biogas production

Biogas power plants and organic waste for energy regulating
© European Compost Network ECN e.V. (10/2008)
Before renewable energy can be used more intensely, some problems have to be solved. One of them has to do with balancing the natural feed-in fluctuations of volatile energy sources like the wind or the sun.

World Trade Law and Renewable Energy: the Case of Non-tariff Measures
© Lexxion Verlagsgesellschaft mbH (12/2006)
Over the last two decades, trade and environment issues have typically been a source of intense controversy and conflict in the world trading system.

The Production of Electricity from Renewable Energy Sources as a Public Service Obligation
© Lexxion Verlagsgesellschaft mbH (12/2006)
The article analyses whether electricity production from renewable energy sources can be the object of a public service obligation.

Renewable Energy Sources in European Law: an Overview
© Lexxion Verlagsgesellschaft mbH (12/2006)
This article gives an overview of the European legal framework on renewable energy sources, that is those European legal provisions whose objective is to increase the exploitation of renewable energy sources in the production of electricity, heating and cooling, as well as fuel for transport.

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