Will venture capitalists find greenbacks in green investing?

Before the recent global economic downturn investors saw the clean technology market -- which includes renewable energy such as wind, solar and hydropower, as well as biofuels and electric motors -- as the next big thing. But when the crisis hit, alternative energy and so-called green thinking in general took a back seat to more immediate and pressing economic problems. Of course, the need to come up with clean technology remains -- indeed, in places like Hong Kong and the east coast …