solar panels really arnt green on a mass scale. The damage they do to the earth in the mining of the rare earth materials needed for them will only get worse as extraction continues(similar to oil, easily available/discoverable/accessible reserves get used first and then cost of operations gets higher and higher and you gotta drill deeper in the earth to extract). Solar is GREAT for any entity looking to be relatively self sufficient in power production, but it really isnt what we should be looking to for a green future if we plan on keeping 8 billion people around on Earth(altho our rulers, do not.. 500 million is the mark.).