Carbon footprint of a Google search revealed
Published: 12 Jan 2009 08:50 GMT
A Harvard University physicist says a typical search on a desktop computer generates about seven grams of carbon dioxide, according to a report on Sunday in The Times. And while that doesn't sound like a lot, the report notes that Google handles about 200 million searches daily.
"Google operates huge datacentres around the world that consume a great deal of power," Alex Wissner-Gross told the newspaper. "A Google search has a definite environmental impact."
The global IT industry generates about two percent of global carbon dioxide emissions, or about as much greenhouse gas as the world's airlines, according to a recent Gartner study cited by the newspaper.
Google did not immediately respond to a request for comment, but the search giant has actively campaigned for reducing the amount of energy consumed by the IT industry.
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Google is a board member of a new group called Climate Savers Computing Initiative, a coalition that aims to reduce computing power consumption by half by 2010. It will do that largely by encouraging member companies such as Google to turn off computers when they are not in use. The company said that if it reaches its goal, it would be the equivalent of taking 11 million cars off the road.
The search giant's Google.org philanthropic organisation released numbers and policy recommendations in November on how the US could wean itself from coal and oil for electricity generation and nearly halve its gasoline consumption by 2030.
Google first introduced its 2030 energy road map last October; chief executive Eric Schmidt, an adviser to president-elect Barack Obama, made speeches in 2008 calling on the federal government to show more leadership on climate change by fostering clean-technology businesses.
Schmidt told the Corporate EcoForum last year the company's plan is to reduce global demand for oil and help to generate new white- and blue-collar jobs by investing in solar, wind and geothermal energy projects.
Credit: Measuring your Google search's carbon footprint from CNET News
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