sol lind dra was a growing company building solar panels.any, including some in the government thought it would be a huge green energy success. sol lind dra received millions of dollars from the u.s. government. but filed for bankruptcy. it was a big lesson for chu. >> we're going to have to watch going into the first loan like a hawk going forward from this point on. >> the former secretary will continue to find ways to try to change public opinion on global warming which he says will have huge implications. >> it cost a lot of money in financialapvÑ losses and in ters of personal losses. and suffering. >> he's also optimistic about future of sustainable energy saying the price of sol skbrar battery-powered cars will be highly kpet nif five to 10 years. i'm looking at 10,000ses today $15,000 pay back. >> he says tho one should wait that long to switch. >> have you a smart phone. when did you decide to buy a smart snon you know two years from now next generation will be much better? >> and he bikes to work of course. he also shared a nobel p