The IT industry is joining the push toward energy efficiency by developing new power management technology to curb the sector's harmful contribution to climate change, operators have said.
The global computing industry has recently been criticised for the high carbon dioxide emissions of its data centres and energy consumption.
The sector contributes two per cent of global carbon emissions, equaling that of the aviation industry, according to US research firm Gartner.
In moves toward clawing back some of that damage, a number of IT companies are developing or upgrading power management technology which can turn off computers and other devices automatically, saving money and the planet.
Network equipment maker Cisco plans to launch technology called EnergyWise in February. It said the software can monitor the energy consumption of electronic devices in the workplace and switch them off when idle.
The potential savings for companies could be huge. "A bank branch could save nearly 40,000 (36,990) just by turning off phones and wireless access points outside business hours," David Frampton, VP general manager of Cisco's LAN switching business unit, told Reuters.
The software will be applied to phones, laptops and access points, then computers, before ramping up to manage heating, air conditioning, elevators, lights and security systems by 2010.
In a similar push, British software provider 1E estimated that its technology could reduce the same amount of carbon dioxide as banning cars from a city the size of Liverpool.
1E's software can turn computers on and off and is already used by government departments, large banks and other businesses.
"The government wants a one million ton reduction in carbon emissions from large companies. We can achieve 85 per cent of that just from our UK pipeline - just from turning off computers," Sumir Karayi, 1E's chief executive, told Reuters.
"Half of the computers in the UK, US or Germany are not switched off. That equates to potential savings of 115 million in the UK," he added.
Lighting and consumer electronics producer Philips is also carrying out research with Lawrence Berkeley Laboratories to develop an intelligent lighting control system which would respond to people's movements, events and external daylight levels.
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