Cleanteach: Can David Learn to Love Goliath

Traveling around Silicon Valley last week, I heard the David vs. Goliath story over and again, but in surprisingly different versions. In some, David (in the form of a cleantech start-up) aims to kill incumbent market giants, in others they end up in bed together. Yes, this was San Francisco, but it seems we are seeing a seismic shift in the cleantech industry's underlying narrative.

Nowhere was this more apparent than at the sixteenth Cleantech Forum. After trekking through the Valley of...