Nov. 13, 2008 - The Green Grid, developer of the Power Usage Effectiveness (PUE) metric for measuring and comparing energy performance among datacenter cooling and power supply units, says it is now working on a similar metric for servers, storage systems, and networking equipment, BusinessGreen reports.

Nov. 4, 2008 - Hewlett-Packard has unveiled a new datacenter technology that allows servers to draw only as much energy as they need to keep running, an efficiency that HP says could cut a datacenter's ongoing energy use by as much as a quarter.

Oct. 23, 2008 - Investment bank Morgan Stanley has announced plans to build an off-grid datacenter in Scotland that's powered directly by tidal energy.

Oct. 15, 2008 - Cooling datacenters with outside air instead of air conditioners can offer significant energy and costs savings without sacrificing performance, according to a new Intel study. (via Sustainable IT)

Oct. 3, 2008 - Google.org, the web giant's nonprofit arm, Wednesday unveiled a $4.4 trillion energy plan that it said would largely wean the U.S. from fossil fuels by 2030. On the same day, the company launched a green-datacenter push designed to highlight the energy efficiency benefits of Google-designed and -outfitted computing facilities. Coincidence?

Oct. 2, 2008 - Fujitsu's newly renovated green datacenter in Sydney, Australia, boasts a cooling system that cycles chilled water throughout the facility, reducing water use by 80%.

Sept. 26, 2008 - Microsoft has flipped the switch on a top-of-the-line computing facility in San Antonio, Texas, that the computer giant is calling its "most power-efficient datacenter to date."

Sept. 24, 2008 - Datacenter specialist Migration Solutions has launched a new green assessment service that aims to provide a "360-degree view of the environmental impact and performance of datacenters."

Sept. 23, 2008 - Banking giant HSBC has achieved the U.K.’s first "Excellent" rating for design and procurement of its new North London datacenter under the Building Research Establishment’s BREEAM green-building certification, the European alternative to LEED.

Sept. 18, 2008 - IBM says it will invest $45 million in a new green datacenter that will serve as a global hub for delivering IBM software to clients worldwide.

Yes, but the shade of green will vary, says Doug Washburn.

Using green drives in a green datacenter can help improve operating efficiencies and reduce overall energy consumption costs. But how can you know that you truly have green drives? Here are the key components. (eWeek) Read more...

Sept. 5, 2008 - IT hosting firm The Planet says it expects to save 1.4 kilowatt hours of electricity and $140,000 annually thanks to a new program that powers down datacenter lighting during off hours.

Aug. 4, 2008 - IBM is trying out a new state-of-the-art datacenter design aimed at souping up computing capability while minimizing energy use and eco-impact.

Aug. 1, 2008 - Telecom giant AT&T has joined a pair of major initiatives aimed at improving energy-efficiency best practices at corporate datacenters.