Here's the link to the relevant thread:
http://ecomodder.com/forum/showthrea...cle-28951.html
As you can see solar is the least environmental of the renewable energy sources (all calculated wells to wheels). However it is still ridiculously better by 9-16X than all fossil fuels. There is no case where manufacturing solar panels isn't better for the environment than continuing to operate coal and natural gas power plants. Natural gas is a large a part of the grid as coal btw.
This is the map of what mpg you would need to have to have the same emissions in your area as an EV charging from the public grid. In some places it's equal to driving a Prius, in the plains states it's worse than a Prius, but on the coasts an EV is the cleanest by a great margin.
Hybrids are among the cleanest because of the mpg they get. A battery as a one time source of "emissions or pollution," is no where near the benefit from the carbon saved in better mpg over a cars lifetime. Also batteries can also be recycled as Ben Nelson has recently done. And high efficiency cars typically drive hundreds of thousands of miles.
The only reason EV's don't run away with the "greenest cars life-cycle" analysis, is because the Grid isn't as clean in certain parts of America. One thing you should consider, is if your driving a small compact car from the 90's, and are hypermiling it past 50mpg, then your car IS at the top of the greenest cars list regardless of what make or model it is.