Microsoft has announced its "largest wind project to date" by committing to a 20-year power purchase agreement with a wind farm in Illinois that will see the firm buy 675,000MWh annually.
This latest green move has gained public support and praise from the environmental organisation Greenpeace, who released a statement praising Apple and simultaneously criticising Amazon.
How can cloud computing help to improve sustainability, and what role should the cloud play in green IT planning? This HP whitepaper examines the green credentials of cloud computing.
A report by Greenpeace revealed that Amazon Web Services is among the dirtiest companies when it comes to energy usage in its data centres across the globe.
Also featuring an accolade for Amazon chief Bezos, Greenpeace's Greener Electronics rankings, and the smart cities concept explained.
Wipro, HP and Nokia perform well while RIM lags well behind in terms of environmental policies and practices.