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Outside Twitter's corporate headquarters in San Francisco, Greenpeace makes its plea for the social media company to "Make our tweets green."
One day after grading tech companies on their use of clean energy, a Greenpeace blimp drives home the point for morning commuters in the Bay Area with a fly-by.
Amazon is among the last top IT companies to embrace clean energy like wind and solar, Greenpeace says in a new report that looks at the energy footprint across tech companies.
The organization said Apple was in sixth place this year, down from fourth last year, in its study on "greener electronics."
The activists' "Clean our Cloud" campaign may have stumbled, but Greenpeace raised good questions about big tech companies and their influence on local clean-power generation.
The Range Rover has gone all eco and now comes in a tangy Hybrid flavour. But is mixing electricity and off-roading a good idea? Also, there's a slight cost issue.
Facebook reveals its carbon footprint from 2011. The company uses 23 percent clean and renewable energy, but hopes to increase the percentage to 25 by 2015.
In an updated report on energy use among cloud data centers, Apple is no longer failing in two key areas, and has improved in others, Greenpeace says.
National Security Agency's warrantless surveillance program vacuuming up logs of Americans' domestic phone calls is unconstitutional, says new lawsuit with gun rights groups as plaintiffs.
In its continuing campaign to pressure cloud providers to use cleaner energy, Greenpeace sets up a "pod" and projects images onto Apple's headquarters.