The German ecolabel “Blue Angel” (“Der Blaue Engel”) has been applied to environmentally friendly products since 1978. Space heating systems that have been awarded the Blue Angel are particularly efficient and low on [...] More

Based on a short questionaire and the last heat cost billing CO2online compiles heating surveys for landlords and lodgers. Due to the heat cost billing and the reply of the questionaire, the heating survey includes [...] More

Domestic space heating and hot water account for over a quarter of final energy requirements in Germany. An energy-efficiency refurbishment of buildings could reduce this energy consumption and the related CO2 emissions by up [...] More

The aim of the project was to update the status of research into lifestyle and related concepts. The central question was how these approaches can be used to promote sustainable consumer behaviour. Such promotion by political [...] More

Sustainable development means an improvement of the environmental features of products and services and an environmental orientation of consumer behavious. Governmental measures alone are not sufficient to reach this [...] More