Quantifying the Problem
The adverse effects of poor quality lighting are plain for all to see, and a source of annoyance and concern to many. Those who wish to achieve the worthwhile goal of convincing legislators, local administrators, manufacturers and installers to follow good lighting practice should marshal their arguments carefully. Before presenting the case for improvement in this field to those who can really change things, it is useful to have facts and figures ready, and to adopt a scientific as well as a (rightly) emotional approach in favor of the environment and against wasted energy. This section attempts to provide such facts and figures.