Cleantech is dead! Long live cleantech!

Cleantech is dead, or maybe just laying low. After a difficult 18 months, investors in the sector are shying away or shifting their strategies to reflect reality. And the debate over what is greentech or cleantech is back. What do you think?

On LinkedIn, green startups are leading the way

While green startups may have gone through some tough times recently, LinkedIn has seen a major uptick in members who work for small businesses in the industry. From 2009 to 2011, “renewables and environment” was the fastest growing sector within the small business landscape on LinkedIn.

A different kind of disruption agent needed for energy

Does the energy industry need more disruption-focused web entrepreneurs like Sean Parker, of Napster and Facebook fame? While the world will be better with more Parkers in general, I don’t think the energy industry will be disrupted as easily by these types of folks.

10 ways to wind down your green startup

Some are expecting the cleantech graveyard of startups to start filling up. But how companies wind down, sell off their assets, or morph into slimmer versions of their former selves, is a personal choice for the companies and investors. Here’s 10 ways you can do it:

A sand box for low energy building tech

For most people, the images below look like just another building on the UC Berkeley campus. But for tech firms, construction companies, architects and utilities that are interested in low energy building design, Building 90, and its accompanying structures, look like a little slice of heaven.

How to keep the cloud from killing the planet

The cloud may have driven down the cost of bandwidth and computing instances dramatically, but engineers shouldn’t take this as carte blanche to be wasteful with resources, said Intel’s GM of high density computing, Jason Waxman, at GigaOM’s Structure conference in San Francisco on Thursday.