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Once booming, green-tech investing shifts down

The latest venture capital numbers show a pullback from green tech, reflecting the challenging funding environment for green-tech start-ups.

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Report predicts doom and gloom for green tech

Foreign Affairs essay argues that a pull-back of government subsidies will derail renewable energy industries. But policies that promote new tech, rather than just a few well known ones, can keep green tech moving.

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Ep. 78: The bubble show

Are we in another tech bubble? LinkedIn went public last week, raising $352 million. The stock quickly shot up, igniting talk that we are entering another period of tech market froth, like we had in 1999. Are we indeed? And if so, is it good or bad for Tech. CNET's Jim Kerstetter and HBR's Eric Hellweg join me to discuss.

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Report: Top 10 clean-energy states identified

Comprehensive study looks at policy, patents, capital, and cars to determine which states are experiencing biggest green-tech renaissance.

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On the hunt for green-tech game changers

On Earth Day, CNET looks at one of the central questions around green tech: how quickly green innovations can be developed and put in place on a large scale.

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Hands-on with the Samsung Replenish

If you're looking to go green in all aspects of your life, including tech, you might want to consider the Samsung Replenish. See what the eco-friendly Android smartphone has to offer.

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Japan reels from earthquake, nuclear crisis (roundup)

A magnitude 9.0 quake and aftershocks bring devastation to Japan, send tsunamis racing across the Pacific, and pose a grave danger to several nuclear power plants.

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Bill Joy chases green-tech breakthroughs

Futurist and Kleiner Perkins green-tech venture capitalist Bill Joy says VCs need to focus on breakthrough energy technologies, such as cheap distributed solar, to succeed.

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Green-tech VCs suffer from social-media 'deal envy'

Cleantech Group CEO says green-tech investors at diversified venture capital firms are facing more competition for attention from social media and Internet deals.

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Missing in green tech: Long attention span

There are all sorts of exciting clean-energy technologies, but policymakers, investors, and inventors need to sustain their work over many years for significant change to take hold.

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Scientific Conservation scores $15.7 million in funding

Green tech meets IT as a start-up offering SaaS for energy consumption forecasting receives a big funding round.

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Greenwave Reality CEO Greg Memo shows off how a grid-aware home energy system can be controlled and monitored either from a smart phone, PC, or Sony TV. Devices are connected to a home network by using smart plugs, seen on left, and a smart meter. The company is testing its system with utilities in Europe.
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Smart grid and green tech at CES (photos)

Green tech was sprinkled in various places at CES, and there was an emphasis on how a smart home can bring energy savings.

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