Cable-free lamps for outdoor use from Ikea are charged via wind and solar power.

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Ikea Now Offers Wind and Solar Powered Outdoor Lighting

The solar system installer should go public in the third quarter of 2012, with a valuation of around $1.5 billion.

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SolarCity IPO Expected Later in 2012

Christchurch, New Zealand, has been hit bad by earthquakes of late. The building of a major solar subdivision is an opportunity to create a stronger city.

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Earthquake-Striken City to Build Largest Solar Subdivision. Will It Be Resilient?

MIT scientists want to “highjack” the cells responsible for photosynthesis in plants and use them to improve solar technology.

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MIT Designing Solar Panels Out of Plant Cells

Solar power growth was particularly impressive, with investment increasing 700% over 2010 levels last year.

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India Leads World In Green Power Growth For 2011

Every time a solar panel is installed, it becomes more likely that neighbors will also take the plunge.

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Solar is Contagious. How Does It Turn Into a Social Virus?

Perhaps most notable on the latest quarterly update to the EPA green power purchasers list is that Walmart has jumped into third place.

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Intel, Kohl’s, Walmart Top List of US Green Power Purchasers

Particles giving clues to composition of space beyond solar system

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Spacecraft captures dust from interstellar wind

Their cars are already getting greener, but Nissan is also working on more efficient ways to move them around the world.

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Nissan Launches Energy Efficient Car Carrier With Solar, Low Friction Hull And More

Kyocera is introducing a new home energy management system that couples solar power panels with a lithium-ion battery for power storage that allows Japanese homes to operate off-grid if necessary.

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Energy Management System Combines Solar, Energy Software and Power Storage