The cleanest energy is the one we do not use. Therefore energy efficiency is the cleanest source of energy available today. Due to the losses between energy generation and consumption every $1 invested in energy efficiency allows to avoid investing $3 at generation. Through efficiency we can effectively have energy with no pollution at all.
Nova Scotia Efficiency has come up with a nice short video on the subject –
To identify energy saving opportunities and monitor progress companies have to measure and monitor their energy use. Collecting data will not do the trick of saving. To act effectively managers must understand what causes energy use, when and how. There simply is no other way. We contribute to the cause by offering our services in energy use analysis.