I think we need to get away from the mindset of a single energy source such as solar replacing fossil fuels. All energy sources have their advantages and disadvantages. Wind and solar have some great aspects, but variable supply. Fossil fuels have a more consistent supply but greenhouse gas and other environmental issues. The best long-term energy solution will in my opinion include a diverse mix of sources. I believe we do need to work to increase the percentage of sources other than fossil fuels though.
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