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New green inventions: 15 cutting-edge items

New green inventions: Samsung Blue Earth

Photo: Samsung

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Samsung Blue Earth

This breakthrough solar-powered mobile phone from Samsung might be taking green electronics to a whole new level. Made from recycled plastics from water bottles, it even comes with a built-in pedometer to tell you how much CO2 emissions you've saved by walking instead of driving. Practically every element of this phone was designed with going green in mind.