A recent report by Gartner, the industry analysts, said the global IT industry generated as much greenhouse gas as the world's airlines — about 2 percent of global CO2 emissions.
a typical search generates about 7 grams of CO2.
"Google operates huge data centers around the world that consume a great deal of power," said Alex Wissner-Gross, a Harvard University physicist whose research on the environmental impact of computing is due out soon. "A Google search has a definite environmental impact."
"Data centers are among the most energy-intensive facilities imaginable," said Evan Mills, a scientist at the Lawrence Berkeley National Laboratory in California.
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Google searches generate 1,400 tonnes of CO2 daily
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