www.iald.org IALD, International Association of Lighting Designers
www.litg.de LiTG, Deutsche Lichttechnische Gesellschaft e.V.
www.darksky.org International Dark Sky Association
www.guerillalighting.de Guerilla Lighting Hamburg
We recommend energy companies which supply electricity from renewable sources and invest exclusively in renewable energy. In Hamburg for example these are:
We work independently of industry, which is why we don’t show here any links to manufacturers.