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Takeaway: What's wrong with solar power plants?

Takeaway: What's wrong with solar power plants?
By Euronews

<p>This technology seems perfect for arid regions</p> <p>The solar light is free</p> <p>The power plants take relatively little space</p> <p>The problem is dust</p> <p>Washing the mirrors takes precious water</p> <p>Water usage has to be cut to make solar plants more competitive</p>