Not many people like to dust. But, this simple act could save you money and conserve energy. Chances are, lots of our light bulbs are collecting dust. This dust can build up and absorb the light we'd like to use to read and brighten our homes. By dusting off our light bulbs occasionally, we can increase their brightness by as much as half, which means we turn on fewer lights, or even keep the bulbs on less. This amounts to energy savings, which is great for the earth and the bank account. Here's to taking dusting 'lightly' – get it?