It hasn't grown 10x because it's cleaner. Growth and environmental impact are independent of each other. I'm not sure if that's what you were trying to claim. I

It hasn't grown 10x because it's cleaner. Growth and environmental impact are independent of each other. I'm not sure if that's what you were trying to claim. I don't see where solar is cleaner, except that the cells are more efficient in theory (we won't know for another 30 years). Manufacturing is still the same. Let me know if I missed something.