Challenge has finished
Even if the word "renewable" is not correct, this kind of energy will play a significant role in the future. Show us your images where the main subject is related to the generation of energy, coming from renewable sources.
Saturday, 18th April, 2009 (GMT)
Saturday, 25th April, 2009 – Friday, 1st May, 2009 (GMT)
Saturday, 2nd May, 2009 – Friday, 8th May, 2009 (GMT)
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