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Carbon Footprint

Aanand VasuRajesh Balaji

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Carbon Footprint

What is a carbon footprint?

“Total set of greenhouse gases emitted by an individual, organisation or product”

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Reducing a Carbon Foot-PrintCarbon DietLife cycle AnalysisSwitch to renewable sourcesIdentification of solutions to

neutralize Carbon-di-oxide effectSharing energy needs

An example:http://www.carbonfootprint.com/calculator.aspx

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Guesstimating Carbon Footprints An Average server has nearly the same carbon

footprint as an SUV doing 15 miles to the gallon. * Google is estimated to have 500000+servers alone

and growing rapidly It also has nearly 40-60 data centres. To give an idea

of the size of a data centre, here are a few examples of google itself Google is building a new datacentre in The Dalles, Oregon. That is going to

34,000 square feet spread across two buildings. The company owns 20 acres of land at The Dalles and has options to buy more

Another new datacentre is being built at Council Bluffs in western Iowa. Google has purchased a staggering 1,185 acres of land at the site.

A third new datacentre is being built in Berkeley County, South Carolina. It is on a 520-acre site

A fourth new datacentre is being built at Lenoir in North Carolina A fifth one is being built in Pryor, Oklahoma

Google has over 100000 drives for storage Therefore google by far contributes to most carbon

emissions in the IT industry. It may even have the biggest carbon footprint on

earthSource: Techworld.com

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Ideas to reduce themSea powered data centres*

computing centres are located on a ship or ships, which are then anchored in a water body from which energy from natural motion of the water may be captured, and turned into electricity and/or pumping power for cooling pumps to carry heat away from computers in the data centre

*Google Patent: September 2008

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