This is a scary snapshot
Falling oil prices helped kill the alternative-energy business in the late 1970s. So plummeting prices combined with nearly frozen credit markets and a grim economic outlook paint a bleak picture for today's alternative-energy market. Still, concerns over global warming and energy security could mean that alternative energy remains a good prospect for future investment.
Read the full article for more context-setting, and seriously consider reading Hot, Flat, and Crowded for detailed analysis