Birthdays, holiday and business gatherings - there's all sorts of ways you can green and lighten the environmental footprint of events.

A solar power system is made up of just a few components, but each is critical in its operation. For example, the voltage from a panel is different to mains power; so how is it converted? With an inverter - learn more in this article in my continuing series on renewable energy options.

Wind turbines offer a partial solution to the world's green, renewable energy sourced electricity needs. This article is an overview of how wind turbines work and some of the issues surrounding their use.