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Current global challenges such as climate change, lack of resources, desertification, land degradation as well as loss of biodiversity can ultimately be due to human actions. Reasons are excessive production and consumption of goods and services, along with using and consuming natural resources, causing emissions and waste products. Demand in the form of consumption and supply in the form of production are closely intertwined.
These times are very troubled ones. Not only do wars and political unrest seem to prevail in different regions of the world, but, corruption and fraud have reached an incredible dimension, too. It seems that societies have, to a large extent, lost values in which they had formerly believed in. These issues may be the background why at the moment Corporate Social Responsibility (CSR) as a voluntary commitment is discussed in public that intensively. However, one gets the impression that this rather often seems to be superficial. Therefore, it is time to do some in-depth research to identify whether there is real substance behind these discussions or not. Latin America is a big continent with a greater number of countries which are running through difficult times as to corruption and fraud. Consequently, the author studied the policy of the central employers association Consejo Empresarial de America Latina (CEAL) with respect to the role of CSR. On the basis of statements, news and results of studies being regularly published, conclusions were drawn to which extent social and environmental aspects, along the line of ISO 26000, are playing a relevant role.
In order to avoid a too narrow view of the issue, a holistic approach concerning the generalsituation of Latin America has been selected using parameters such as economic growth, increase of population, poverty, inequality, and the global responsibility for environment. Furthermore, apart from the central organization CEAL, regional and national institutions with a specific mission for spreading and implementing CSR and two communal projects were analyzed as well. The conclusion of the paper is that there are some CSR "lighthouses" but an urgent need exists to spread the idea of CSR more intensively across the continent. Corresponding recommendations about how to increase the relevance of CSR in Latin America are given at the end of the paper.
Solar energy is one option to serve the rising global energy demand with low environmental impact. Building an energy system with a considerable share of solar power requires long-term investment and a careful investigation of potential sites. Therefore, understanding the impacts from varying regionally and locally determined meteorological conditions on solar energy production will influence energy yield projections.
Impact of atmospheric aerosols on photovoltaic energy production - Scenario for the Sahel zone
(2017)
Photovoltaic (PV) energy is one option to serve the rising global energy need with low environmental impact. PV is of particular interest for local energy solutions in developing countries prone to high solar insolation. In order to assess the PV potential of prospective sites, combining knowledge of the atmospheric state modulating solar radiation and the PV performance is necessary. The present study discusses the PV power as function of atmospheric aerosols in the Sahel zone for clear-sky-days. Daily yields for a polycrystalline silicon PV module are reduced by up to 48 % depending on the climatologically-relevant aerosol abundances.
Das Thema Nachhaltigkeit hat sich in der heutigen Zeit in vielerlei Hinsicht weiterentwickelt. Auch bei der Entwicklung von Produkten ist der Aspekt der Nachhaltigkeit angekommen und wird vermehrt umgesetzt. Dies hat zur Folge, dass auch der Konsument sich mit der Nachhaltigkeit seines Produkts auseinandersetzt.
Die vorliegende Arbeit behandelt die Fragestellung, ob der Aspekt der Nachhaltigkeit auch bei der Kaufentscheidung eine Rolle spielt. Fokussiert wurden besonders die Aspekte: Nachhaltigkeit und Marketing, Wahrnehmung von nachhaltigen Aspekten der Unternehmen, sowie der Produkte, Vertrauen der Konsumenten in Siegel und die soziale Erwartungshaltung der Konsumenten.
Die Analyse resultiert auf der Basis eines durchgeführten Experiments sowie einer schriftlichen Befragung der 73 Probanden, bestehend aus Studenten der Hochschule Bonn-Rhein-Sieg.
Die Ergebnisse dieser Studie zeigen nicht nur den Handlungsbedarf der Unternehmen, sondern auch die Wahrnehmung der Konsumenten zu Produkten und Unternehmen und dass der Aspekt der Nachhaltigkeit auch bei täglichen Kaufentscheidungen eine Rolle spielen kann.
Food losses occur for many reasons at all stages of supply chains for fruits, vegetables and potatoes. They cause immense economic, environmental and social costs – not only in developing countries but also in developed countries. According to the European Commission, about 90 million tonnes of food are wasted annually in Europe alone. However, particularly for the early stages of supply chains for fruits, vegetables and potatoes there is still a lack of reliable data. Thus, one objective of this study is to contribute to the quantification of food losses between field and retail, where the main focus is set on potatoes, apples, carrots, strawberries and asparagus. Furthermore, neither reasons why products are removed from the supply chains nor their alternative uses are fully examined yet. This is why, the study takes a look on those issues, too. Results are based on data from an online survey among producers of fruits, vegetables and potatoes in North-Rhine Westphalia, Germany and on interviews with producers and other supply chain experts. Findings suggest that the products’ size and form, their storage capabilities and food safety issues have big impacts on food losses. Despite a small sample size, these findings are in line with recent studies.
Als weltweit anspruchsvollstes Umweltmanagementsystem trägt EMAS auf Unternehmensebene als Baustein zur Nachhaltigen Entwicklung bei. EMAS ist ein Instrument der Europäischen Union, an dem Organisationen, unabhängig von ihrer Größe und Branche, weltweit auf freiwilliger Basis teilnehmen können. Die geplante EMAS-Validierung der UN-Klimakonferenz (COP 23) in Bonn (06. – 17.11.2017), hat das Interesse der Projektkoordination von „Sustainable Bonn – Konferenzort der Nachhaltigkeit“ geweckt, die EMAS-Einführung bei deren Projektteilnehmern untersuchen zu lassen. Daher liegt der Branchenfokus auf dem Gastgewerbe, aus denen die derzeitigen Teilnehmer des Bonner Projekts überwiegend stammen. Um Branchenspezifika bei EMAS besser zu berücksichtigen hat die Europäische Kommission im April 2016 hat ein Referenzdokument über bewährte Umweltmanagementpraktiken zur Steigerung der Öko-Effektivität mit einschlägigen Indikatoren zur Messung der Umweltleistung mit Richtwerten für die Tourismusbranche veröffentlicht, die im Rahmen einer EMAS-Einführung unter anderem von Gastgewerbebetrieben berücksichtigt werden müssen.