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Ekhart Hahn; © privat

“Ecologically way forward”. Ekhart Hahn on green urban planning in Berlin

In green architecture and ecological city planning, Germany is regarded as a global leader. Berlin in particular has been the site of pioneering projects. In an interview with goethe.de, Ekhart Hahn, a pioneer of ecological urban planning, talks about this and other things.More ...
The Essen campaign: Klimahelden.de; © Stadt Essen

Climate Workshop Essen. A City Tests Environmental Sustainability

Climate change concerns us all. But how to get people to change their behaviour and their lifestyles? The city of Essen is relying on a “climate initiative” – and thus became one of five winners of the nation-wide competition “Energy-Efficient Cities”.More ...

Dossier: Sources of Power for the Future

Where lies the future of energy policy?