This is an interesting article based on a New Scientist article which gets excited about solar power.  According to the information all that is needed to power the entire planet with energy from the sun is an area the size of the UK covered in Solar cells.  Think about how a developing country in the tropics covered in large areas of desert could potentially make large sums of money from selling their solar power.  What about north African countries such as Algeria, Libya or Egypt with large areas of unpopulated land.  It just needs political will.

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