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"Demand on wireless networks is climbing as more and more people use their mobile devices to access applications like email and Twitter. It might seem like a carbon neutral activity but Australian researchers estimate that the global energy consumption by wireless networks will grow by 460 per cent over the next two years. In emissions terms, that's the equivalent of 4.9 million extra cars on the road. Professor Rod Tucker is the director of the University of Melbourne's Centre for Energy Efficient Telecommunications, and he explained the impact of the shift to Lexi Metherell."

"Simply put, as we evolve towards individuals accessing cloud services via wireless, cloud services will not be the energy savers they were once promoted to be."