Imagine a world without the sun:

• it is colder than humanly imaginable
• water doesn't exist, all we have is ice
• there is never any daylight and plants can't photosynthesise, so they can't survive 

Solar power has changed the world.

Since the beginning of mankind, the sun has provided our most innate human requirements - warmth, light and food. since the late eighteenth century, the sun has provided us with much more...