Greenpeace has release a report that praises Apple, Facebook and Google for their green energy efforts, which it says are driving a "renewable energy revolution."
Tech deals, prizes and latest news
Get the best tech deals, reviews, product advice, competitions, unmissable tech news and more!
iPhone 7 release date, news and rumors
Windows 10: release date, price, news and features
10 best mobile phones in the world today
Best free video editing software: 10 top programs you should use
Best tablet 2015: Our top 10 ranking