Nanotech debate continues, solar momentum questions, and Safe Hydrogen

• As we've mentioned before, there is both great optimism (see posts here, here and here) and great concern about the green and clean potential for nanotechnology. Thanks to Charlie Kireker for pointing out this NPR coverage of the topic, spurred by a recent report by a former EPA staffer. It's a good, brief recap of the ongoing debate, which cleantech investors should be paying careful attention to...

• Solar should be an interesting market to follow this year. On the one hand, credible analysts are pointing to significant silicon shortages creating an obstacle to continued growth. But on the other hand, money continues to flow into the market, and will be spent somewhere...

• Safe Hydrogen, LLC has raised $308k from the Massachusetts Renewable Energy Trust SEED (Sustainable Energy Economic Development) Program. The capital will be used to finish an ongoing demonstration project of the company's hydrogen storage technology, which should be interesting to track, as storage is one of the critical roadblocks to the emergence of a "hydrogen economy".