The premise that solar is the savior of the planet is irritatingly ignorant. Do the physics. It's not green and it's not renewable. You've been sold a bill of goods. First, where do you think most PV cells come from - China. Second, what are you going to do for power when the sun don't shine or at night? Batteries you say - not possible. The battery capacity would have to be so massive it would shift the Earth's orbit.
So, after the 20 year lifespan of a solar panel, then what? There is no recycling capacity for solar panels, and what about all the heavy metals in the PV cells? When you need a new roof do you really want to pay for your inefficient solar array to be removed and then reinstalled over the new roof, and let's not even get into roof leaks or panels shorting out before their full lifespan. Oh, and did you know that solar panels lose between 1 to 2 percent of their efficiency every year?
So, on a sunny day you have all these panels producing electricity. What are you going to do with the excess capacity since it cannot be stored? then the sun goes down and BOOM now you have to stoke up the coal plant. Not an easy thing to do if you know anything about power generation.
There is only one solution even if you don't believe the dire predictions about global warming/climate change and that is to invest in 4th generation nuclear power run on Thorium (which we have at least a 1000 year supply in the US). It's clean, efficient, incredibly safe, virtually no waste , and non-proliferative. Additionally, its excess power can be used to purify water, and pull carbon dioxide out the the air and reduce it to hydrocarbon fuels - now that's renewable energy!
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