www.pld-a.org Professional Lighting Designers’ Association, PLDA
www. greenpages.pld-a.org Director of Sustainability's blog, PLDA Greenpages
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 donít show here any links to manufacturers.