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Barbara Grady explores how three award-winning initiatives could transform the US power sector

Project Sunroof expands out of US for the first time, scanning seven million rooftops in Germany tp assess solar generation potential

Eco-billboards around Los Angeles and San Francisco suck pollutants out of the air

Tech giant's 'Project Sunroof' programme has analysed around 60 million buildings across all 50 US states

Company confirms it will reach milestone next year, underscoring its position as the world's largest purchaser of renewable power

First step of new agreement with AkzoNobel, DSM and Philips will see four firms purchase nearly all energy from new wind farms in Zeeland

Google already diverts 86 per cent of its data centre waste away from landfill

Data giant agrees purchase of clean energy from new wind farms in Norway and Sweden

Climate dislosure body teams up with Google as part of Big Data push

IT giant boosts its access to renewable energy by 842MW through latest wave of power purchase agreements