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to cut emissions, organisations are now beingeffectively persuaded to take a closer look at theenvironmental impact of their business processes, withencouraging developments.Recent research from professional services firm KPMGhas highlighted that many of the world's leadingorganisations are realising the commercial andoperational benefits that can be gained by formulatingcorporate sustainability strategies. KPMG's survey,which polled 370 senior figures at large organisations,revealed that respondents are claiming tangiblebusiness benefits as a direct result of operating moresustainably. These benefits range from attracting and retaining customers, increased profitability, and the development of better quality products and services.As organisations begin to do more than merely pay lipservice to the threat of climate change, there are anumber of emerging opportunities and challenges forthe green software sector and its customers. MEASURABILITY IS KEYFollowing Nicholas Stern's review in 2006, thecorrelation between climate change and the economyhas long since being recognised. At an organisationallevel, it is now evident that businesses can no longerkeep green reporting and financial reporting separateas environmental factors impact a company's bottomline, from energy costs and waste production throughto poor management of environmental risk. Extending a company's reporting to include greenaccounting, so that users can report on theenvironmental benefits and costs of their operations, isa key area of focus for software developers. Carbonmanagement systems, which collate emissions datafrom a range of organisation-wide sources, such aselectricity meters, fleet fuel consumption and businessair travel, provide a clear indication of where thegreatest emissions are coming from. These systemsalso provide the ability to interrogate and report thisinformation in the same way organisations analysetheir financial performance, thus helping to optimisecarbon efficiency. Organisations are increasingly looking to documentmanagement technologies, which significantly reducepaper consumption and CO2emissions, to supporttheir green accounting requirements in addition totheir business needs. The positive environmentalimpact of using electronic document management(EDM) are widely acknowledged, but until recently thetrue paper and carbon savings as a result of usingthese solutions have proven harder to measure. EDM carbon measuring software tools, such as VersionOne's document management Green Meter, are now090INNOVATION TECHNOLOGYLeft: Dean Dickinson,Managing Director(Public Sector &Enterprise), AdvancedBusiness Solutionsenabling organisations to calculate and report on thepaper and carbon savings as a result of not printing,photocopying and posting documents. This helpsorganisations to engage staff with their green agendasas they are shown clearly and in easy-to-understandterms how their actions are directly contributing (or notcontributing) to climate change.IS THE CLOUD GREEN?The UK Government's Comprehensive SpendingReview has forced public sector organisations to re-examine their IT costs and think hard about whetherthey should remain with a traditional in-house ITfunction or outsource to a hosted IT model.One option that many are considering is a move towardsusing cloud computing models. Indeed, recent researchby analyst Gartner has revealed that CIOs view the cloudas their top technology priority for 2011 and it expectsthe number of organisations using on-demandcomputing to rise to 43 per cent within four years.The business benefits of cloud computing are welldocumented. By removing many of the overheadstypical of in-house IT management, cloud applicationscan be accessed "on demand", making the need for anon-site IT infrastructure and IT team redundant. Thisflexibility ensures that organisations pay only for the ITthey need and the cloud provider handles the ongoingmanagement and maintenance of the IT systems andsoftware, typically making cloud computing a veryeconomical option.While these potential savings provide a very attractivealternative during these challenging times, the cloud