Nested in the natural landscape of the alps lie the towns and villages of Upper Austria. Once the sun sets, they’re lit up with artificial light. From space one can see a glimmering network of human activity. Light means safety, and progress. It allows us to work at night, and to move around freely and safely. A city without street lights is unthinkable. But light requires energy, and therefore takes its share in the destruction of the environment and global warming. It is time for a conversion to a more energy-efficient and environmentally friendly illumination. In most communities a lot of light - and a lot of energy - is wasted on street and building illumination. Where light radiates upward, it creates no benefit - only costs. Modern LED technology is much more energy-efficient. This means that there is a lot of potential for savings for communities, as well as an opportunity for environmentally beneficial action. From time immemorial mankind has cast their gaze and their dreams towards t
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