Global energy consumption in the last half century has increased very rapidly and is expected to continue to grow over the next 50 years. However, we expect to see significant differences between the last 50 years and the next. The past increase was stimulated by relatively “cheap” fossil fuels and increased rates of industrialization in North America, Europe, and Japan; yet while energy consumption in these countries continues to increase, additional factors are making the picture for the next 50 years more complex. These additional complicating factors include the very rapid increase fuel economy in energy use in China and India (countries representing about a third of the world’s population); the expected depletion of oil resources in the not-too-distant future; and the effect of human activities on global climate change. (more…)
The relationship of gross national product per capita to energy consumption per capita for most countries of the world correlat ...
The long-term prospects for the U.K. economy are inevitably uncertain, and the most recent Department of Energy long-term proje ...
Transportation is another sector that has increased its relative share of primary energy use. This sector has serious concerns ...
The development of the ‘‘new’’ wind and solar technologies is of great importance for the future contribution of RESs to energy sup ...
To determine the effects of past climate trends on global energy consumption, the econometric equations providing the degree day el ...
The age of industrialization came into full force through the modern exploration and use of fossil fuels. As one of its most striking phenomena, the rapid expansion of cities throughout the late 19th and the 20th centuries was a direct outcome of the fossil fuel energy economy as well. (more…)
The aim is to work with cities in advancing renewable energy technologies and systems and to help promote the renewable energy indu ...
The Solar City approach originally emerged from a new generation of International Energy Agency (IEA) energy research and developme ...
In the absence of useful and established patterns of practice, a search is under way for new means of reconciling local government’ ...
As a reaction to these historical perspectives, the building industry has witnessed a certain rise in design responses to regio ...
Climate change caused by the enhanced greenhouse effect is one of the most significant global environmental issues. Increased emiss ...
Biofuels are made from living matter, plant or animal, and are strongly favored by agricultural interests because of the large boost they bring to domestic farms. Most U.S. biofuels is made from corn (ethanol) or soybeans (biodiesel), although several unusual fuel sources are emerging, including algae and oil waste from deep-frying of foods. The biofuels industry experienced meteoric growth in 2005, 2006 and early 2007, but then it began to slow because of high feedstock prices. Private investment in biofuels finished off 2007 at $2.1 billion, according to ‘Global Trends in Sustainable Energy’, a report by New Energy Finance and United Nations Environmental program. (more…)
We had expressed our disagreement with Biofuels and tell them also that the European Union also wants to distance themselves from t ...
I just read a very good news via Reuters. And is that the EU has decided to distance themselves from biofuels usage. As we here ...
Do we have the resources? Rudolf Diesel developed the diesel engine which ran on biodiesel vegetable oil in the late 1800s. At the ...
In Bonn met world leaders at the UN Conference on Biodiversity. As we here at The Green Blog world's biodiversity is seriously ...
A vece the attempt to find alternatives to fossil fuels leads to something worse, such as biofuels or agrofuels, considering the dr ...
The growth in air transportation volume has important global energy sustainable development
associated with the potential for greenhouse gases sources. On local to regional scales, noise, decreased air quality related primarily to ozone production and particulate levels, and other issues, such as roadway congestion related to airport services and local water quality, are all recognized as important impacts. (more…)
Fuel efficiency gains due to technological and operational change can mitigate the influence of growth on total emissions. Incr ...
Although the focus of many policy studies of climate change is on establishing the causal links between anthropogenic systems, emis ...
The outlook for reductions in future energy use is necessarily based on the potential for increased technological and operati ...
Climate change caused by the enhanced greenhouse effect is one of the most significant global environmental issues. Increased emiss ...
Although some scientists and critics still dispute that human caused greenhouse gases are causing climate change, the majority of s ...
The pressure relief valves protect against the devastating effects of the overpressure. Unfortunately there are so careful with the environment and which are not always made leakproof, and can therefore be emitting harmful gases into the atmosphere continuously. While European directives aimed at reducing emissions of gases causing the greenhouse effect based on a share issue (linked to heavy fines for countries that fail), other solutions much easier go unnoticed. (more…)
Microvalves have been developed for a variety of applications suitable for Microtechnology-Based Energy and Chemical Systems. Valve ...
Ten industry giants – with business operations spanning the utilities, manufacturing, chemicals and financial-services sector – joi ...
Visual inspection is usually good enough for under roof insulation that is accessible, as in boiler rooms, pipe chases, and ste ...
The idea of using an absorption fluid as a refrigerant carrier derived from the drawback of VCR (vapor–compression refrigeration) s ...
Renewable energy sources cannot run out and causes so little damage to the environment that its use does not need to be restric ...
Beginning at the end of the technological change process, research has consistently shown that diffusion of new, economically superior technologies is never instantaneous. A new technology is adopted at first gradually and then with increasing rapidity, until at some point its saturation in the economy is reached. The explanation for this typical path of diffusion that has most relevance for energy conservation investments is related to differences in the characteristics of adopters and potential adopters. This includes differences in the type and vintage of their existing equipment, other elements of the cost structure (such as access to and cost of labor, material, and energy), and their access to technical information. (more…)
There are typically costs of adoption that are not included in simple cost-effectiveness energy calculations. It is by no means cos ...
Many readers may be unfamiliar with the way economists typically view the process of technological change, thus it is useful to fir ...
Recently, attention to energy efficiency has been gaining momentum. The attention given by policy maker is mainly due to concer ...
Energy efficiency is defined here to mean energy services provided per unit of energy input (for example, gallons of water hea ...
Another possible non-market-failure explanation for the energy efficiency gap is associated with the fact that even if a given tech ...
As energy prices increase, industries are more and more aware that energy is an expensive commodity that has to be used efficiently in order to reduce the costs that it entails. When companies realized that improving energy efficiency was not only about energy performance, but also about the business performance as a whole, i.e. about improving profits, the motivation for energy eco management became evident. (more…)
The Global Reporting Initiative (GRI) is a multi-stakeholder process and independent institution whose mission is to develop ...
The Eco-Management and Audit Scheme (EMAS) is the EU voluntary scheme for organizations willing to commit themselves to evaluate, i ...
Although it is significant that many of the above four imperatives are qualitative, not quantitative, such new efforts have begun t ...
In the pursuit of superior cars, electronic products, and computing, several leading multinational corporations began in the last q ...
There are only a few compulsory energy efficiency programs aimed at industrial facilities. It is only recently that the EU introduc ...
An important element for the entire infrastructure of hydrogen energy infrastructure is having hydrogen delivery system the safely and efficiently deliver hydrogen from productions sites to end stations. Hydrogen delivery methods are varying widely, most of them depend on the hydrogen production method and end use. Currently, hydrogen is transferred to a limited number of production plants by using pipeline or transported by road via cylinders, tube trailers. (more…)
The issues of hydrogen storage run through the hydrogen production, hydrogen transport, supply and demand for end use of hydrog ...
Hydrogen has many applications when it comes to fuel. It can be used both in internal combustion engines and hydrogen fuel cells. ...
With ethanol’s future uncertain, many commentators see the transportation debate evolving into a war between two other technologies ...
Scientists at the Carnegie Institution have found that using a high pressure can create a very unique material for storing hydr ...
All of today’s hydrogen conversion products, demonstration models, and prototypes possess some deficiencies; they cannot yet pr ...
Many home owners want to use brick veneer exterior walls for their houses. The brick is usually the automatic choice for outdoor decorating because of their rarity, beauty and durability advantages over other buildings materials.
Brick was considered as a coating material and beautify the exterior walls, because they are rugged, durable and comfortable to hold and pleasing to the eye. The wall panels are made of bricks that will not fade, are durable and made timeless, even in adverse weather conditions and the environment. For this reason, it is preferable that the insulation methods for exterior walls and the house to protect against damage caused by different weather conditions that caused a negative tendency on the outer walls of the houses.
It must be made arrangements to clear some brick walls, founded as they are porous by nature, to protect against the effects of moisture during the rainy season or cold, summer or winter.
It is common in wall construction paper, wooden frame, where a combination of mixed cement, sand, lime and water and used the stones to be fixed.
It is nearly impossible for a do-it-yourselfer to insulate vapor barriers a finished exterior wall without tearing off the wallboards. Competent professionals can do this work for you. However, there are some sharp, fly-by-night operators in this industry, and you should exercise extreme caution before you hire someone to blow defective insulation into your finished walls. (more…)
If your house has no attic (most flat-roof houses don’t), chances are there’s a cockloft, a space between roof and ceiling, at ...
Using blankets the width of your wall studs, insert the blanket between the studs and staple to the studs. (The job is easier i ...
You may have unfinished masonry walls in your basement. To insulate them, you’ve first got to create wall studs to hold the ins ...
Imprinted on every batt or blanket of insulation or on every bag of loose insulation is its R-Value. The higher Insulation R-Value, ...
You must perform some sort of tour and visit of your home and property to find out exactly where it may need in applying insulation ...
Over the last decade, the number of countries researching the potential of biomass and bioenergy for energy services rose rapidly. This contributed to the biomass as solid and liquid fuels, an interesting and promising option among renewable energy sources available. This includes solid waste and biomass, which comprises of charcoal, firewood, energy crops and forestry and agricultural residues to produce heat and electricity, (more…)
Bioenergy produced from biomass is sometimes called a carbon-neutral energy source, because the same quantity of carbon released wh ...
The future development of energy crops, to the level at which they would replace residues as the major bioenergy fuel source, will ...
Estimation of the future technical potential of biomass as an energy source is dependent on assumptions with respect to land av ...
The quantification of the actual reduction in green house gases sourcess emissions resulting from the substitution of fossil fu ...
Biomass has been a main energy sources in the world since the beginning of civilization. It has been important in development p ...