• Friday, November 6, 2009 Latest Update: 5:57PM

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 GTM Ten »

  1. The U.S. Government
  2. The Tata Group
  3. General Electric
  4. Walmart
  5. PepsiCo.
  6. Masdar
  7. Procter and Gamble
  8. Chevron
  9. Google
  10. McDonald's

GTM Poll »

More utilities will begin to pay for buildings to upgrade to energy-efficient products if it means shedding peak power demand.

Hot Startup »

Has a Startup Cracked the OLED Problem?

Everyone loves OLEDs, but no one knows how to make big ones. Kateeva says it can help.

Green IT

  • Panasonic: One of the Next Green Giants?

    You probably don’t think of Panasonic as a green company. That might begin to change with the Sanyo deal.

    Energy Efficiency

    Michael Kanellos November 5, 2009

  • A Very Flat Lamp

    Sideways lighting has a lot of benefits, says Lunera, a LED company that emerged from fashion photography.

    Energy Efficiency

    Michael Kanellos October 21, 2009

  • Ceatec Roundup: Schools of Robots and Solar Gadgets

    The CEC wants to put energy efficiency standards on TVs, the big manufacturers in Japan see energy efficiency as the next thing and more.

    Energy Efficiency

    Frank Smith October 9, 2009

  • OLED Lights as Jewelry?

    It’s a bracelet. It’s a watchband. It’s an OLED light.

    Energy Efficiency

    Michael Kanellos October 5, 2009

  • Green Retrofits Through Property Tax: The New Cash for Clunkers?

    A conceivably cheap way to retrofit homes may go nationwide and then global with a little luck.

    Green Building

    Michael Kanellos September 30, 2009

  • The Top Ten Acquirers in Greentech

    Face it. You won’t hold an IPO. Your company will be sold. Here’s who is buying.

    Green Supply Chain

    Michael Kanellos September 28, 2009

  • PG&E OKs Rebates for Data Storage, Sees Thermal Energy Storage Next

    PG&E adds thin provisioning and MAID data storage systems to the data center technologies it will pay people to install. Next up could be cooling water at night to drive cooling during the day.

    Green IT

    Jeff St. John September 21, 2009

  • Product Review: Samsung’s Green Reclaim Phone

    Samsung has a green phone. Here’s the good and the bad.

    Green IT

    Michael Kanellos September 7, 2009

  • Virtualization, the Next Wave

    The big VMWorld 2009 virtualization conference in San Francisco is all about interoperability to push adoption of virtualization – and save electricity.

    Green IT

    Jeff St. John September 1, 2009

  • Will an Old Idea Become the New Way to Store Data?

    An idea coined by Stan Ovshinsky for memory chips is finally coming to the fore.

    Energy Efficiency

    Michael Kanellos August 12, 2009

  • The Top Ten in Green Software

    Green software is popping up all over. Here are our favorites.

    Green IT

    Michael Kanellos August 10, 2009

  • PG&E Wants to Give Away More Money, See Fewer Email Attachments

    PG&E has given away $20 million in three years and wants to increase it. But you might want to cut down on storage.

    Green IT

    Michael Kanellos August 7, 2009

  • McKinsey: Invest $520B in Energy Efficiency, Save $1.2T

    The consulting firm has issued a report that looks at how investing in energy efficiency technologies and deployment makes for a great return on investments for the United States.

    Energy Efficiency

    Ucilia Wang July 29, 2009

  • Samsung to Go Green, Others Will Follow

    The Korean electronics giant wants spend $4.3 billion to cut its factory emissions by 50 percent within four years and develop eco-friendly products. As large companies invest oodles of money to go green, their much smaller competitors will feel the pressure do so, too.

    Green Supply Chain

    Ucilia Wang July 20, 2009

  • A Chip to Slash the Power in Data Centers

    Flash memory drives use far less power than conventional drives. The problem has been the price and short life. A team of silicon vets at Sandforce claim they’ve cracked the code.

    Green IT

    Michael Kanellos July 20, 2009

  • Wyse: Continent-Spanning Virtualization Saves Data Center Costs

    The maker of thin clients has come out with Virtual Desktop Accelerator, software it claims can improve the performance of remote computing by up to three times.

    Green IT

    Jeff St. John July 8, 2009

  • IBM Delves Into Lithium-Air Batteries, Water-Cooled Supercomputers

    The computing giant is researching lithium-air batteries, a technology with much promise but many challenges for commercial applications. Also in the works is a supercomputer cooled with water at the chip level – something IBM says could apply to broader data center cooling.

    Green IT

    Jeff St. John June 23, 2009

  • Intel Shows Off Power-Saving IT

    Intel's new Moorestown platform aims to reduce idle power use by mobile internet devices fifty-fold compared to previous platforms. It's also working on "sleep-state networking" for PCs and laptops and other power-saving advances.

    Green IT

    Jeff St. John June 18, 2009

  • Greener IT: Save Money and the Environment

    Ken Gonzalez, group product manager, Symantec Global Services, lays out the case for green IT.  

    Green IT

    Ken Gonzalez June 17, 2009

  • Energy Bill Could Boost Storage Technologies

    Energy storage: It's the most popular concept right now with energy VCs. And some in Washington want to goose the market with incentives.

    Grid Storage

    Fredrik Wass June 3, 2009
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