How information and communication technologies (ICT) can combat climate change - and efforts to reduce the carbon footprint of ICT themselves - are among the topics of work by Study Group 5 of ITU's Telecommunication Standardization Sector (ITU-T). On the agenda of its meeting on 25-29 May 2009 was a practical proposal that would help reduce the amount of energy needed to charge mobile phones - and cut the clutter of unnecessary equipment.
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