Early-Stage Clean Tech Firms a Good Investment?

3:30 AM ET Wed, 23 Dec 2009

The Global Sustainability Challenge, established in 2006, is in the process of creating a fund to invest in early-stage clean technology business ventures. Founder Steve Podmore told CNBC there is a "massive gap" in that area. "We've got no deal flow of early stage sustainably-focused investments," he said.