There is a love affair that most people have with the familiar incandescent light bulb, also known as the tungsten.

Using what is natural, healthy and for free should be our first aim when we intend to green our lifestyles. Wind, sun and rainwater are such resources. These three sustainable assets can be harvested with sometimes small yet clever tricks, at other times with more elaborate and costly measures. But once implemented they all have one thing in common: zero pollution and of course long lasting savings.

Natural medicine, vitamins and nutrition are some of the ways to keep colds and flu at bay in winter. Another way is the often forgotten old housewife's recommendation to keep warm, and it has proved its merit over the centuries.