Energy figures into almost every human activity: it heats our homes, fuels our cars, ploughs our soil and powers our machinery. Harnessing the world's energy supply has brought standards of living to unimaginable heights. We are so accustomed to energy use that one can scarcely imagine surviving at a time before it existed.
What on Earth is all the fuss about?
No one tilts at windmills anymore
What you can do