The main advantage is energy efficiency, an incandescent desk lamp draws about 50 watts of power whereas a LED desk lamp will use 2 or 4 watts of power.
Make hydrogen from sea water renewably. This avoids depletion of limited supplies of fossil fuels. It produces no harmful side products. No carbon is released. The investment is recovered and a large return on investment is realized by selling the hydrogen. Everyone wins.
Thanks to a wide variety of new composting products on the market, home composting is now quicker and easier than ever. Moreover, with many new compost bins and tumblers, there is no need to have an unattractive compost pile in the corner of your yard at all.
If you have a solar installation and you use batteries connected to a load, it doesn't take long to learn you have a real problem on your hands because there just isn't enough solar energy to keep the batteries charged during those long dark cloudy periods.
Next generation waste management may be significantly improved by using different technology to better manage solid wastes.
With policies both in US and Europe planning for a systematic exploitation of renewable energy on a strategic scale, the stage is all set now for the fuller development of tidal power on a world wide scale.
The results are clear. It is almost $70,000 "better" financially to build a $450,000 ZEH than to build a $400,000 conventionally built home over a five-year period or over any period of time for that matter.
If we are to consider what our children might use, we must look for systems and technologies that are more energy efficient, quicker, more flexible, more recyclable, more available to the general population and more entertaining/amusing than anything available to day.
This year's hurricanes have global warming written all over them: the water is warmer because the atmosphere is warmer, feeding the hurricanes more energy.
These days, you can find dozens of unique inventions that can help you enjoy the pleasures of gardening, even under the most unusual and cramped urban conditions.
The overall goal of the Chinese government is to have 450 MW of cumulative PV power installed in China by 2010. This is in comparison to the estimated 75 MW which was current in 2005.
In 2005, regulations introduced by the Clean Air Act of 1990 came into full effect with the goal of reducing harmful emissions by 57-billion pounds per year.
What can home appliances do to help ensure the reliability of the electricity grid? A lot—if they employ smart control technology.
When the operation produces its own supply of wood product, quality assurance is not as much of an issue. The company knows where the wood comes from; it can be cut or ground to a standard size; and, it has often already been kiln dried to lower moisture content.
In August the Energy Policy Act of 2005 was signed into law, creating a new 30% federal tax credit for solar electric and solar hot water systems.
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