Solutions to important, complex problems often self selct through economic pressures, so it is natural that alternative energy sources become viable as the traditional ones price themselves out of the reach of their consumers.
CNET News.com is reporting that Google founders have invested in according to this document is from three years ago, just as News.com is reporting. So I assume their headline “Google founders invest in solar energy” is just for attention grabbing, as it is not new… Right?