Green Options

Attendees of the fifth annual Clean-Tech Investor Summit, which starts Tuesday in Indian Wells, Calif., might notice a change in the agenda from previous years. The annual panel on cleantech investment exits –IPOs or acquisitions of venture-backed startups – has disappeared.

It’s a reflection of the economic environment, said Ron Pernick, a principal at research firm Clean Edge and a co-producer of the conference. “There haven’t been any exits to speak of, which tells you something,” he said.

I don’t think there is one big solution to our energy problems and the environmental problems related to the use of fossil fuels–there are lots of little solutions that in the end add up to a big solution.One of those little solutions I have been reading a lot about lately is a Drain Water Heat Recovery Device (DWHR). It looks like part of something you would find hidden in the hills and hollows of Appalachia that makes moonshine, but a DWHR [...]