Alternative Energies Update

Solar energy finally reaches "grid parity" (equal or cheaper cost than coal-based energy)...depending on how you calculate it:

http://www.ecogeek.org/content/view/2400/83/

Alternative Energies Update

First Solar could reach "grid parity"--the Holy Grail of solar power--in 2-4 years:

http://spectrum.ieee.org/aug08/6464