Black diamond: what is coal?
Coal has long been used as a fuel for generating heat and power. Multiple generations of miners have spent entire working lives digging it out of seams in the earth, while factories and domestic houses have powered by it for centuries. Stocks of coal are now depleting, and awareness of the importance of preserving the…
Energy Square
DIY Energy: generating renewable energy in your own home
Renewable energy is quite the buzzword now, with more and more people looking into alternative ways to meet their electricity needs in their homes. We are finally realising that fossil fuel consumption cannot continue at the current rate ad infinitum if we want the world to survive in its current state for future generations and…