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Photovoltaics: now the PC is on the roof of silicon

Silicon PCs end up on the roof IBM and Intel are betting on the sun
The Italian small businesses: "Do not worry, we also have arrived and BTicino Beghelli"

VALERIO Gualerzi

solariROMA Panels - The giants of 'information on the hunt for a place in the sun. The photovoltaic business hours tempts even the semiconductor giants like Intel and IBM who recently announced their entry into the field. The objective is the same: to transform the core competencies in silicon processing to produce a microchip in capital to invest in the production of photovoltaic cells. A change strategies are adopted. Intel has decided to put on the table fifty millions of dollars to launch a "startup", the Spectrawatt, setting a goal, the first production in new factory in Oregon, from 2009, crystalline silicon solar cell with a capacity of 60 megawatts. You place that on a proven technology that currently provides the best average yields and production costs. More complex and daring choice instead of IBM. "Big Blue", as they call Americans, launched a joint venture with Tokyo Ohka Kogyo. Choosing a partner with the ambition of being able to put into production photovoltaic cells that replace expensive silicon area and more and more with a special thin-film developed in its laboratories and made of copper, indium, gallium and selenide. The advantage would be represented by the prices of raw materials, much more content and greater flexibility in building applications, while the limit is the efficiency in converting sunlight into electricity, still far lower than those guaranteed by the crystalline silicon.
The future will tell who has chosen the right path, but the game will not be a simple duel. U.S. analysts specializing in investment funds in GreenTech, are convinced that other major industry players to follow the example of short Intel and IBM. The eyes are focused primarily on Samsung, LG and Advanced Micro Devices. Heavyweight that could literally make shade for small and medium enterprises active some time in the sun and that only in recent years have finally begun to turn a profit. A second problem that Brucciani Federico, project manager of the GIFI, the association that brings together the Italian side of the PV at the time in our country does not exist. "The entry of two similar players on the market is an advantage for the entire supply chain - he explains - now the real bottleneck is the shortage of raw material, but foraging that these two companies are able to guarantee I will have a positive also in terms of installed capacity and credibility of the industry. " After all in our little Italy also suffered a "trauma" similar, but with positive effects. "We - highlights Brucciani yet - the entry of leading brands such as Beghelli BTicino and served to make us grow in professionalism, giving everyone greater visibility. "

(The Republic June 28, 2008)

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Zero Emissions - Photovoltaic solar panels and other energy

HOUSE FUTURE WITHOUT CO2 AUTOPRODUCE ENERGY / ANSA

ROSORA OF ANGELS (ANCONA) - The house of the future already exists ', zero emission of CO2 and completely self-sufficient in energy: and' a lovely brick building , with six apartments and balconies, opened today at Angels Rosora, part of a small town of 1,800 inhabitants in the province of Ancona, the center of a project sponsored by Loccioni leader in advanced automation, measurement and control, with the participation of Enel and Whirlpool. The Leaf House''living''like a leaf, able to capture the natural elements, sun, water and land, all the requirements needed to live through the use of modern technologies, but also to an old heart'' '', namely 'the use of the wisdom of the past. The southern exposure to maximize the exploitation of solar panels and heat, thick walls insulate against heat and cold, but the property 'also has futuristic systems for energy efficiency and light. Like, for example, a hydrogen storage system of ENEL, which stores excess energy,''or''Whirlpool green set, consisting of appliances to more 'energy efficient on the Italian market, which interact with a counter''intelligent''Enel, while the automation solutions Loccioni coordinate the operation of installations and allow the monitoring of the quality 'of indoor air and recovery of stormwater. The top floor has a loft with sloping ceilings, the Whirlpool Zeos (Zero Emissions Open Space) where environmentally friendly products will be tested and implemented innovative initiatives to educate the consumer. But the building will welcome 'soon its first tenants: Loccioni employees of the group, which also will be chosen based on the characteristics of the core family (singles, families with one or more 'children) to transform the house into a laboratory of sustainable technologies and lifestyles, the use of solar tubes that with a mirrors game''lead''the light of day in the rooms even more 'dark schemes and demineralization of water. Project supervisor and 'Maria Federico Butera, guru of energy conservation, which today called for a change in the culture of the project, with greater attention to sustainability' environmental and energy. The Leaf House 'is really' the first brick of the project more 'broader Leaf Community (Life Energy And Future), community' to completely clean energy, which is developing at Angels Rosora and which also includes a micro-stations built in an old drain Enel, which with a jump of about one meter of water produces 160 MWh of energy per year, feeding the two plants Loccioni; a school roof with the solar movement by electrical or hydrogen. Partners of the project, a consortium of companies at the highest levels in their respective fields, including Ikea, lighting and iGuzzini Faam. According Loccioni Enrico, chairman of the group, the cost to build the Leaf House''are more 'by 10% compared to a building constructed using traditional techniques.'' But money 'will be recovered in a few years, with energy savings. Gia'''now - he explains - are not necessary connections to the electricity grid.'' Enel'' - Said Gennaro De Michele, head of the policy research and development of the electricity supply - has fielded''one of his most trials 'promising, the hydrogen storage system that will allow' continued use of some sources renewable, by their nature discontinuous or intermittent.'' For appliance manufacturers and the challenge of the future 'energy efficiency - points out Joseph Geneletti of Whirlpool -''off all elettromestici in Europe, there would be a saving of 50% consumption tax.'' (ANSA).

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cheaper thanks to blueberries

Deleted silicon. It will cost less to produce them and installarlidi

Jaime D'Alessandro ( the Republic December 11, 2006)
economicigrazie more solar panels to the pigments of blueberries

just a shame that not smell of blueberry. Otherwise, organic solar cells as well as revolutionize the world of solar panels would help to cover the smell of smog in our cities. They can use as an active pigments made from berries and unlike normal solar panels on the market today have eliminated the silicon. It will cost less to produce them and then install it, but most take the form of flexible sheets or plates semi-transparent glass. Then tomorrow will be "stretched" over the buildings, tends to work as a cover for civil protection, to be part of the windows of a building or a crystal of a car. "Almost all the solar panels on the market is made up of silicon that return about 15% of solar energy they receive," says Thomas Brown, Anglo-Italian scientist who, together with Aldo Di Carlo, and Andrea Reale director Franco Giannini Pole for Organic Photovoltaic Lazio at the Department of Electronic Engineering, University of Rome Tor Vergata. "So to meet the needs of an average user need to install panels on large areas. But the real problem is the cost manufacturing and production problems that make the spread in the absence of government incentives. Not to mention that the price of high-purity silicon is not going to get considering the scarcity of supply. "But there is indeed an alternative, a way that the scientific community is investigating the early 90s to lower costs of both the production and installation. A technology capable of producing solar panels as a support using two layers of plastic or glass that contain within them a thin film of organic semiconductor material. With a cost estimated at less than half of a panel of silicon.
of such cells there are two types: hybrid (organic / inorganic) and the totally organic. At the base is used a process similar to photosynthesis, with a mixture of materials in which the pigment absorbs solar radiation and other components extract the charge to generate electricity. The problem, at least for now, is the efficiency and durability. "The fully organic solar cells reach a maximum efficiency of 4% in the lab," says Brown. "These hybrid instead are closer to a technological maturity, and then the commercial exploitation because they last longer and efficiency is about 10%. So much so that companies like Konarka Technologies, Dyesol, Aisin Seki, Hitachi, and Sharp are investing large resources in developing this area. " According to estimates in the next few years the efficiency will be further improved, including the cell completely organic, because the benefits are really a lot compared to solar panels today. "Just think of the applications," says Brown. "Since we rolled up and become easier to bring such a valuable resource in the event of natural disasters. And it is just one of many possible uses." In short, the future with regard to clean energy is in the body and for a time Italy will not go back. The first practical application? Ventotene island in 2008 when the first panels will be installed based on this new technology.

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Geocaching to help the environment

It 's a new game technology, a sort of treasure hunt GPS assisted by pointing to the spoils (coins, dolls, writing pads and whatever else there is in the fantasy of who prepares it) called "cache ". The geocaching however, is not only a fun pastime but also a very environment-related and to the environment. The acronym, in fact, to indicate cleaning is related to the game: I quote: "Cache in Trash out", which translates to "place a cache, take out the garbage" and shows precisely how the player, it can take to heart do it in a clean and respected and should not be so if the players roll up their sleeves and start cleaning. In fact,
geocachers usually bring the envelopes and when possible, dedicate the time to clean the area where the cache is hidden by trash this and then discard them properly. The last action of hunting and cleaning, there was June 1 on the occasion of the first Italian event CITO "Sea of \u200b\u200bMaremma", organized by a group of geocachers in the area and that has taken place in the pine forest behind the beach that connects Castiglione della Pescaia and Marina di Grosseto. The area was given as clean but at the end of the day and all non-geocachers, who had taken part in the hunt, have returned with bags full of garbage of all kinds.
A good opportunity to get in touch with geocachers will be on June 29 for the second Nano Event to be held in the Parco Nazionale del Circeo, in "Cerasella" in the middle of the plain forest, in what Forest was once known as Circe. The event is scheduled for 10:00 am and lunch bag and everyone will enjoy what everyone brings. Of course, barbecue and fireworks are banned.

published in http://www.ecoblog.it/

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kite gen: energy from the kite flying

Kite Gen is a possible revolution in the methods to produce clean energy from wind, with the aim not only to compete with the current wind industry, but also with sources of fossil fuels.

Two Italian researchers, Massimo Ippolito (kite surfing enthusiast) and Mario Milanese (sailing enthusiast), in parallel with other Dutch groups and California, are tending to revolutionize the techniques of wind generation of electricity. so we read on the site www.kitegen.com :

The existing technology can barely scratch in just a few points in favor, the surface of the enormous reservoir of energy represented by the wind (see wind data ) . In fact, wind turbines can not go higher and reach the high altitude winds, are already close to their limit dimensional problems with the rotors exceed 100 feet above the ground, the structure that supports them becomes, with increasing height, exponentially heavier, unstable and expensive.
The situation is comparable to what happened with oil drilling, where only after finding the best solutions gradually it was possible away from the ground - down, in this case - failing to reach the deepest and most profitable stocks. To better see the untapped potential of today, consider that the forbidden zone on the fly over a nuclear power plant can easily get to contain 1 GW of wind power, equal to the power the plant itself.
To reach the high altitude winds and take advantage of the greater kinetic energy, the Kite Gen project from a radical change of perspective: no more heavy and static structures such as the current wind turbines, but instead of machinery light, dynamic and intelligent. In the air, to steal energy from the wind at a height of 800 / 1 000 meters, power kites, wings semi-efficient autopilot. On the ground, all the heavy machinery for power generation. To merge the two systems, composite cables that transmit traction and control at the same time the wind direction and angle.

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Sustainable Economy: Interview with Paul Connett

The scarcity of resources is the idea behind the very idea of \u200b\u200beconomy. Sustainability is concerned with the scarcity of resources. Sustainability is a purely economic.

here is an example of the difference between "energy plants and waste collection and recycling of waste.

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ZERO WASTE ... the final frontier: Tuscany

Tuesday, May 27 during a meeting in Pisa was officially formed the Coordinating Committees for Zero Waste Tuscany Coast.


officially represented at the meeting were committees of all four provinces (Massa-Carrara, Lucca, Pisa, Livorno) that are part of the ego to Coast Waste Management formed under the new law of Tuscany.
With the official establishment of coordinating all the organizations that are part of it, and those that may join later, they want to make clear that the strategy by which they move is not simple opposition of "localist", but involves a completely new policy that moves in the perspective of the international movement "Towards Zero Waste.
The committees are part of the claim fully coordinating a new vision of waste as "resources" and a policy of respectful handling of their right to health of citizens and the defense of "commons" that can not be subject to the pure logic of corporate profit.
The success of policies of separate collection "push" that many local communities are following in the Italian and international shows that this policy is practical and fully prosecuted.
Coordination Committees Zero Waste Tuscany Coast also born with the express purpose of countering future AER Tuscany Coast whose future plan in the approval process still provides for our region in the creation or upgrading of treatment plants waste and harmful pollutants which purports to impose over the heads of people did not even understand the goals of recycling and material recovery from already established Italian and European community.
published http://rifiutizero.org/

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World Environment Day


World Environment Day: Walk in with the CNR at Monte Cimone (...)
June 5th is a day to be devoted to knowledge and reflection. But even for a breather. And in this context that the Institute of Atmospheric Sciences and Climate (ISAC) of CNR on the slopes of Monte Cimone, where stands the station 'Ottavio Vittori' for the monitoring of pollution and climate change, proposed "The Path of 'Atmosphere': a walk teaching, aimed at students to be followed by the screening of a cartoon on the protection of the stratospheric ozone layer, produced by UNEP and voiced by Luca Carboni and Tita Ruggeri.

We read in the press release:

"The environment belongs to everyone," says Franco Prodi, CNR-ISAC director, "and it is up to all efforts to respect and preserve it. The decrease in availability of drinking water, increased frequency of extreme events such as typhoons, floods, landslides, heat waves, desertification, deforestation and the increase in polluted areas are now the major environmental disasters that cause damage to ecosystems and hazard human health. "

the scientific station of Monte Cimone, we measure the particulate air pollution, climate alternating gas, solar radiation, radioactivity and environmental bioaerosol.

published http://www.ecoblog.it

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