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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There are many different battery chargers which are available in the market. Most of them use electricity and rechargeable batteries are more environmentally friendly than disposable batteries. However, Brother has designed a prototype which you just have to shake to juice up.

These batteries are meant for low usage devices like remotes, small flashlights, toothbrushes and like and not for power hungry gadgets like flash cameras. Brother is planning to unveil them at the Tokyo Techno-frontier soon.

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How would you like to have a portable stove – great for camping and other travel – where there is no electricity? You will be able to use the stove as a regular stove and whatever heat is remaining can be used to generate electricity to power various gadgets.

Though it has been designed for rural areas particularly in the developed and underdeveloped parts of the globe, the BioLite is a viable alternative for campers and travelers. It is extremely efficient in generating heat and electricity.

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A large part of world suffers from high temperatures, whether they are equatorial or tropical countries, the Middle East or the advances western world, particularly the US. Hostile heat temperatures necessitate the use of air cooler and air conditioners to make the environment more habitable.

However, air conditioners are power hungry and the power bills are huge. The U.S. Department of Energy’s National Renewable Energy Laboratory has been working on a new process which will reduce dependency on electricity and reduce its consumption a great deal.

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There are innumerable gadgets and devices which use batteries. While many of the newer devices have solar panels as back-ups and at times you can use solar or hand cranking chargers, are you aware of the fact that rechargeable batteries can also be an eco-friendly alternative? When you use rechargeable batteries instead of disposable ones, you are already being environmentally friendly because rechargeable batteries can be used for long periods of time.

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First we had the incandescent bulbs, then we had the tube lights which gave white light and saved power, then we had CFLs which also gave white light and saved even more power. Now we have LED lights, which are more environmentally friendly.

The Pharox 500 produces 500 lumens of light, consuming only 7 watts of power. So it not only uses less power, gives more light, but your electricity bill, too, comes down. This LED light is eco-friendly and produces no hazardous waste or gives out poisonous mercury vapors like the CFLs do.

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You can now power your own laptop instead of plugging it into an electricity source – so saving power. Even more, you will also get some exercise and burn calories. That’s right; this pedal power contraption will use your own energy to power your laptop.

It is a stationary cycle which comes with a pedal powered charging table attached. You have to connect your laptop (or notebook or netbook) to the outlet, start pedaling and then use it. An electric generator is connected to the crank set and it will also tell you how much electricity your pedaling is generating.

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While a rocking chair may be thought to be the domain of grandparents, gently rocking away, it is a fact that rocking chairs can be extremely comfortable. And a newly designed rocking chair can also be used to generate electricity.

Ryan Klinger has designed this chair, named Empower, which was one of the finalists in the Greener Gadgets competition. Swinging or rocking on this chair which is hooked up to a kinetic energy generator and lithium-ion batteries, means that you will be producing electricity.

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Imagine that you are at sea or in a coastal area and there is no potable drinking water available. But it is not a case of water, water everywhere, not a drop to drink. Because, thanks to this incredible handy Rewave, you can convert sea water into drinking water.

Designed by Yu-Hong Chen, this device not only desalinates the water but is eco-friendly because it recycles the water into drinking water and does not even consume any energy to do so. It uses wave power as a source of energy.

Using reverse osmosis, the sea water goes in from the aperture at the bottom and after the desalinating process is over, comes out from a pipe at the top. The filters, which need to be changed once they are dirty, are also made from recycled materials. So you can theoretically get a pure and limitless supply of drinking water from the sea.

Just imagine if your whole house could be powered by a battery. No dependence on electricity, diesel for generators, electric grids or what have you. Just a small gadget which will store all the power that a normal house needs for a week.

And yet this kind of device is already being manufactured though it is still in the testing stage. Panasonic has bought a 50 percent stake in Sanyo both companies have combined their synergies to become bigger and better. Panasonic has announced its plans to market a lithium-ion storage cell for home use around the year 2011.

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