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Kein Ende des Sonderwegs
(2006)
In this brochure, WISIONS focuses on the significance of innovative strategies for saving energy in schools, including two types of projects: energy education projects and those that focus on sustainable energy technologies. WISIONS presents projects from India, France, Germany and Uganda that have been successfully implemented, with the intention of further promoting the particular approaches used by these projects. Using a key number of internationally accepted criteria, the main consideration for the selection of the projects was energy and resource efficiency, but social aspects such as the inclusion of pupils, teachers and parents were also of relevance. The assessment of the projects also included the consideration of regional factors acknowledging different needs and potentials.
Evaluation des Online-Modernisierungsratgebers von co2online : Beiträge des Wuppertal Instituts
(2006)
Driving progress by opening up early markets : a hydrogen energy strategy for North Rhine-Westphalia
(2006)
In der Studie "Analyse und Bewertung der Nutzungsmöglichkeiten von Biomasse" wurden Optionen zur Strom- und Wärmeerzeugung durch Biogas mit Techniken zur Holznutzung verglichen. Im ersten Teil dieses Aufsatzes (BWK 3/2006) wurden Potenziale, Techniken, Kosten und Klimaschutzaspekte der Biogasnutzung vorgestellt. Der zweite Teil befasst sich mit der Gewinnung von Biomethan aus der Holzvergasung, der Aufbereitung und Einspeisung von Biogas sowie den Anforderungen und Restriktionen der Einspeisung ins deutsche Erdgasnetz.
In der Studie "Analyse und Bewertung der Nutzungsmöglichkeiten von Biomasse" mit Schwerpunkt auf stationäre Anwendungen wurden die Optionen zur Strom- und Wärmeerzeugung durch Biogas mit Techniken zur Holznutzung verglichen. Hinzu kommt die Betrachtung des Einsatzes von Biogas als Kraftstoff an Erdgastankstellen. Im folgenden ersten Teil werden die Ergebnisse der Studie mit Schwerpunkt auf den Biogaspotenzialen, den Techniken und Kosten sowie den Klimaschutzaspekten der Biogasnutzung vorgestellt. Ein zweiter Teil vertieft die Themen der Gewinnung von Biomethan aus der Holzvergasung, der Aufbereitung und Einspeisung von Biogas sowie den Anforderungen und Restriktionen der Einspeisung ins deutsche Erdgasnetz (BWK 5/2006).
Considering the enormous ecological and economic importance of the transport sector the introduction of alternative fuels - together with drastic energy efficiency gains - will be a key to sustainable mobility, nationally as well as globally. However, the future role of alternative fuels cannot be examined from the isolated perspective of the transport sector. Interactions with the energysystem as a whole have to be taken into account. This holds both for the issue of availability of energy sources as well as for allocation effects, resulting from the shift of renewable energy from the stationary sector to mobile applications. With emphasis on hydrogen as a transport fuel for private passenger cars, this paper discusses the energy systems impacts of various scenarios introducing hydrogen fueled vehicles in Germany. It identifies clear restrictions to an enhanced growth of clean hydrogen production from renewable energy sources (RES). Furthermore, it points at systems interdependencies that call for a priority use of RES electricity in stationary applications. Whereas hydrogen can play an increasing role in transport after 2030 the most important challenge is to exploit short–mid-term potentials of boosting car efficiency.
The role of hydrogen in long run sustainable energy scenarios for the world and for the case of Germany is analysed, based on key criteria for sustainable energy systems. The possible range of hydrogen within long-term energy scenarios is broad and uncertain depending on assumptions on used primary energy, technology mix, rate of energy efficiency increase and costs degression ("learning effects"). In any case, sustainable energy strategies must give energy efficiency highest priority combined with an accelerated market introduction of renewables ("integrated strategy"). Under these conditions hydrogen will play a major role not before 2030 using natural gas as a bridge to renewable hydrogen. Against the background of an ambitious CO2-reduction goal which is under discussion in Germany the potentials for efficiency increase, the necessary structural change of the power plant system (corresponding to the decision to phase out nuclear energy, the transformation of the transportation sector and the market implementation order of renewable energies ("following efficiency guidelines first for electricity generation purposes, than for heat generation and than for the transportation sector")) are analysed based on latest sustainable energy scenarios.
Ölknappheit und Ende der Ölverfügbarkeit, oder: Die mathematische Äquivalenz von zwei Sprechweisen
(2006)
Vom 28. November bis 10. Dezember 2005 fand im kanadischen Montreal die 11. Klimakonferenz (COP 11) statt. Doch diesmal kamen nicht nur die Vertragsstaaten der Klimarahmenkonvention zusammen, sondern es traten gleichzeitig und erstmalig auch die mittlerweile 156 Mitgliedsstaaten des Kyoto-Protokolls zusammen (COP/MOP 1). Neben letzten Weichenstellungen für dessen Umsetzung ging es in Montreal insbesondere darum, Verhandlungen über die Fortentwicklung der Kyoto-Verpflichtungen auf den Weg zu bringen. Ein Anlass, um Bilanz zu ziehen.
Microfinance and renewable energy : investing in a sustainable future ; WISIONS of sustainability
(2006)
In this brochure, WISIONS focuses on the micro financing of renewable energy systems. WISIONS presents projects from Peru, South Africa, China and Nepal that have been successfully implemented, with the intention of further promoting the particular approaches used by these projects. Using a key number of internationally accepted criteria, the main consideration for the selection of the microfinance projects was the inclusion of renewable energy technologies like solar/photovoltaic systems, wind energy and hydropower biogas used for cooking, lighting, power telecommunications equipment, radio, television, household electrification, health clinics, water pumping, milling and grinding, water disinfection, fencing, computer education, machinery operation, etc. in households or businesses.
Der Wandel der Werte
(2006)