- Home Appliances Power
- Comparing LED and Tungsten Halogen Lamps
- How much mercury is entering Hong Kong's Environment from Discarded Fluorescents?
- Doesn't anyone know what a thermostat is?
- Comparing Tubular Fluorescents
- Comparing Tubular LEDs and Tubular Fluorescents
Energy Efficiency and Pollution
Saving energy, reducing CO2 emissions and preventing pollution are hot topics. Unfortunately, they also seem driven by fashions, not data. A few years ago, everyone was encouraged to change to energy-saving "compact fluorescent" light-bulbs, now LED lights are the new wonder light-source, but hard figures comparing them are difficult to find. Let's have some facts.