By San Francisco Business Times

Computer, server and chip manufacturers have helped cut the carbon dioxide emissions connected to the information technology sector by 32 million metric tons over three years, according to a study by Natural Logic.

An group made up of Cisco Systems Inc. (NASDAQ: CSCO), Google Inc. (NASDAQ: GOOG), Intel Corp. (NASDAQ: INTEL), Dell Inc. (NASDAQ: DELL), Hewlett-Packard Co. (NYSE: HPQ), Microsoft Corp. (NASDAQ: MSFT) and other businesses has worked to cut energy used by computers and networks. The Climate Savers Computing Initiative hopes to cut annual carbon dioxide pollution from computer use by a further 38 million metric tons by 2015. That would save $5 billion a year in energy costs.

Lawrence Berkeley National Laboratory researchers have found that energy used by computers and networks in both commercial and residential buildings will increase about 6 percent a year if the problem isnâ¿¿t addressed.

⿿When CSCI was established in 2007, desktop computers wasted 50 percent of the power coming from the wall,⿝ said Intel⿿s Lorie Wigle, who is president of the CSCI.

Natural Logicâ¿¿s study covered July 1, 2007 to June 30, 2010.

The groupâ¿¿s next step is to set energy efficiency criteria for network technology. Cisco, Juniper Networks (NASDAQ: JNPR) and Emerson Network Power are new members of the organizationâ¿¿s board. Theyâ¿¿ll work with the U.S. Environmental Protection Agency on the new criteria.

Other members of CSCIâ¿¿s board include CSC and the World Wildlife Fund. The group has 645 members.

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