Cleantech is alive and well, and will be stronger for having survived the economic crisis. So goes the argument in John Cook's Venture Blog on the Puget Sound Business Journal's "TechFlash" site today.

"Dark economic clouds have green linings"

There is very good reason for optimism, especially in the renewable electricity and energy efficiency sectors. Utilities need more renewables to meet renewable portfolio standards. Businesses need more energy efficiency because electricity rates are rising. A high carbon-of-goods-sold ratio presents a real risk of taxes or limits. All of these trends will drive cleantech toward a rapid recovery.

Are you optimistic?

Read the TechFlash column.