Most findings about the environment start with the words "We have found that such and such is true." When you read the paper you find they made a computer model and that this model predicts their conclusion. Computer models very often tell people what they want to hear and depend on teh factor that you put into them.

See this masterpiece by Dr Stern
And this also

Besides his points there I also found an amazing thing. That computer models can miss infinities. They can graph a simple curve that corresponds to a certain equation that looks superficially like that equation. But these are numerical methods. Thus there can be infinities in that equation that the computer simply misses and thus the graph is completely wrong.

But even so I think solar power is a good idea. I don't like being too dependent on the grid.