CNET News.com: Green-tech firms thirsty for seed capital

"With all the venture capital money going to clean tech, it's easy to think that it's the dot-com bubble all over again. There's certainly a whiff of that gold rush mentality. But the inherent differences between the Internet and the energy business get clearer every week.
Today's installment is the mismatch between venture capital and clean tech--this time, at the small side of the money spectrum."