Can you imagine a refrigerator that runs on solar power? Refrigerators and freezers consume a lot of energy though the newer models may be more energy efficient. A solar refrigerator gets it energy from the sun and so does not cost anything to run. The Fridge Factory in Swaziland developed a way of running a solar refrigerator without the use of even a storage battery.

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Light bulbs are used all over the world, though the incandescent ones may have been replaced by CFLs or LEDs which are more environmentally friendly. Stephen Katsaros conceptualized this bulb, made by Nokeros. This 6-ounce bulb looks much like a traditional bulb, but it has solar panels on the sides, which harness the sun’s energy to light the solar bulb.

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How many times does it happen that you leave gadgets like mobiles and music players, particularly the ones you use when on the go, to be charged and forget about them till it is time to take them out. This results in a waste of electricity. It also shortens the battery life of the device, because when it keeps on charging, it also keeps on discharging. The leech plug takes care of this problem.

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This one is not just a concept, but is actually in a manufacturing stage. Designed by Charles Samuel Greenwood who has been working on this project for decades, the car actually works on human power. Environmentally friendly – you bet. The vehicle is called the HumanCar Imagine PS.

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Conventionally solar panels consist of silicon based solar cells, which harness solar power and use it to power a variety of gadgets. They have to be bought separately and come in different sizes and are often attached to the devices. But new technology has changed that. Ensol, a Norwegian company, have taken the concept a step further with a spray on solar panel.

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E-book readers like Amazon’s Kindle are supposed to be eco-friendly simply because they obviate the use of paper and printing for publishing and reading a book. Using an e-book reader, you can simply download the book and read it. Not only that, depending on the e-book’s capacity, you can keep hundreds of books with you for the size of a small book.

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The Ecocharge is an extremely energy efficient charger which is specially designed for travelers, though it can be used at home also. It can be plugged into any outlet and charges two USB devices at the same time.

It is particularly good for mobile phones, music players and other devices which can be charged via USB. Being energy star rated makes it environmentally friendly. What adds to its green credentials is the fact that when the device is fully charged, it stops consuming electricity, thus reducing waste of power.

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Bicycling is great exercise and a fantastic way to save the environment as well. However, bikes don’t have lights because they do not have a battery source. That is why it is always a good idea to wear light colored clothes and put some stickers on the bike in order to be visible to other road users.

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It is very easy to be in a shower and lose track of time, unless you are one of those always in a rush type of person. While there are shower timers and clocks, this is a more innovative idea. It is the Water Pebble which is place near the drain. The first time it is used, it ‘memorizes’ how much time you have taken in the shower. Its lights flash from green to amber to red, like traffic lights.

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A composting toilet is the natural answer to toilet problems. Suppose you want to install a toilet in a basement or shed, or a camp or an outdoor place which has poor soil conditions and it is not possible to use a septic tank or get a water connection. What do you do? Envirolet has a solution and that its composting toilet.

This waterless toilet is easy to install and looks stylish as well. Made of strong polyurethane, these toilets can be models which require very little water or no water at all. Some of the toilets require no power source at all, while other run on battery or electricity.

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