| Data centres criticised for CO2 emissions |
| Tuesday, 30 November 1999 00:00 |
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Data centres that require energy to run servers and provide cooling account for almost a quarter of global carbon dioxide (CO2) emissions from information and communications technology (ICT).
Data centres that require energy to run servers and provide cooling account for almost a quarter of global carbon dioxide (CO2) emissions from information and communications technology (ICT). The estimate by global IT consultants Gartner follows its finding in April 2007 that the ICT industry produces 2 per cent of global CO2 emissions, placing it on a par with the aviation industry. Rakesh Kumar, research vice-president at Gartner said that, although the figure compares favourably with the 40 per cent of emissions from PCs and monitors, it is much more concentrated and rising more quickly. In his opinion, not enough attention has been paid to reducing the data centre’s carbon emissions. He urges organisations to keep their data centre CO2 emissions constant, which he claims will help curb excessive data center growth and act as a counterbalance to deploying energy-inefficient hardware.” Microprocessors“Data centres account for such a large portion of ICT CO2 emissions for three main reasons,” Mr Kumar said. “There is a lack of floor-space, a failure to house high-density servers and increased power consumption and heat generation. These three issues will affect the cost of running a data centre. For example, Gartner predicts energy consumption of microprocessors alone will rise for the next ten years.”Most organisations have grown their infrastructure (servers, storage and networks) considerably during the past three years. While the volume growth of these machines is set to rise annually for the next five years, a general lack of new data centre builds during the past seven years means that quality data-centre floor space is limited. Further, traditional data centres have been built to a facility's design specification, which struggles to house the current (and future) generation of high-density servers. In addition, the type of server being developed will need more power and will generate more heat; therefore, it will need better cooling. “As a result of these dynamics, we predict that energy management will become a significant issue in procuring new hardware and running data centres,” Mr Kumar added. Practical guidelines To reverse the situation, Mr Kumar offers five practical guidelines to CIOs and data centre leaders on power management:
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