As companies such as Google, Microsoft and HP increase their sustainability efforts, how do we tell what's making a difference?
Given the rapid pace of technological evolution, the impacts of technology and communications on society are profound, and quickly changing. But so are its potential contributions - and there is no shortage...
'The tip of a very large iceberg': 'Subsidy-free' offshore wind contract awarded, as low cost renewables trend gathers pace
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Fast food giant is the first major restaurant company to join the initiative