Your response should contain at least 150 words. Your response must have 3 paragraphs. Paragraphs are separated with the markdown divider: ***. At the end of your response, please explicitly add a postscript starting with P.S. Your answer must contain a title, wrapped in double angular brackets, such as <<Understanding the Basics of Solar Energy>>. Include keywords [solar panels, renewable energy, sunlight, energy conversion, sustainable, environment, cost-effective]. 
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