There are a number of devices or solar chargers that offer to charge gadgets with solar energy. But most of them are impractical, to say the least. It is simply not possible or viable for most people to allow their gadgets to be placed in direct sunlight for the entire day. That is where the ReNu Modular iPhone charger scores, it does not require the user to keep the iPhone in the sunlight all day long to charge it.

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Mariah Power, a small wind turbine manufacturing company, has created a wind speed measuring app for the iPhone. The basic idea of course, is to let interested users measure wind speed, and see if it would suit their need for a small wind turbine.

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MotoCzysz E1pc– The new iPhone release has certainly created a lot of hubbub in the gadget world but the world of mean green machines isn’t spared either. While we are utterly pleased to know about an all-electric motorcycle participating in the TTXGP race this Friday, what makes it special is its dashboard — thoroughly integrated iPhone.

MotoCzysz E1pc - the electric superbike

Confused as we are, it is difficult to understand how all the functions of the dash are relayed through an iPhone (definitely there are no applications available), the only reasonable conclusion being that of the GPS usage.

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If you are adamant about shopping with designers and makers who think about the good of the planet while delivering the best for their customers, then 3rdWhale iPhone app is just the thing for you.

At the click of a button, the free app allows you to search for greenest businesses close to you and those eco-friendly product that you’ve been craving for so much. Over 20,000 business listings for over 30 major cities in Canada and the US have already been enlisted. And with more to follow you are guaranteed to find what you need not too far away from home.

But how does it work? Green businesses are being listed by going through directories that certify and accredit green products and services. Then checked, compared with standards and then assigned ratings: 1 to 3 Whales. Definitely a must have for the iPhone user with an eco-friendly bent, the geeky chaps decided to bring in an Android version (soon), too. [via TreeHugger]