Posts Tagged ‘wind’

Solar Sunday

Sunday, June 8th, 2008

Solar Sunday is my weekly roundup of renewable energy and energy efficiency news from around the web.

Collaboration, the future of green commerce

“Increasing political momentum around issues such as resource scarcity, climate change, security, and new regulations brings to light critical challenges that our industry will face in the coming years,” said Sabine Ritter, general manager for GCI. “The 2007 Bali Treaty and other political initiatives are driving the industry to come up with breakthrough solutions. Such solutions require new thinking, new approaches and new collaboration on infrastructures.”

The key, the report puts forth, to a more sustainable supply chain is sharing. Companies need to share warehouses, transportation, and, most importantly, information to help reduce carbon footprints and cut costs.

Ritter explained, “The coming years will see a new era for industry collaboration, which will become an important factor for future success. In many cases, this will require companies to rethink their areas of competitive advantage. Some business areas that are now considered to be core differentiators may well become candidates for non-competitive collaboration with competitors, such as replenishment in inner cities. In addition, industry collaboration will be essential to encourage governments to enact more appropriate regulations.”

Greening LA

Aptly nicknamed the “green blade,” Jean Nouvel’s newest addition to the asphalt laden City of Angels slices through the concrete jungle at 10,000 Santa Monica, adding much needed greenery to the surrounding office towers. Standing 45 stories tall and little more than 50 feet deep, this statuesque green structure is bound to make an sustainable impact that we hope others will follow.

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With $400 million going into a mere 177 residential unit, you can be sure that nothing will be spared in the new residence. Each unit will run the width of the building with views from the balconies on the north and the south façade. The narrow units help with energy efficiency but still have plenty of square footage on multiple stories ranging from 3,400 to 9,400 sq feet each. Plans currently show the south side landscaped in natural California foliage, while the north will take on more tropically lush feeling , providing plenty of green those viewing from afar while offering each residence to step out into a re-defined urban jungle. Not just for looks, the greenery will help minimize the heat island effect in LA.

Tokyo follows California

Tokyo’s mayor has seen the (green) light and is taking major steps to introduce a climate change programme for the city despite Japan’s reticence nationally on the matter. Mayor Shintaro Ishihara is a 75 year old self-acknowledged rightwinger who has decided to go it alone and impose strict curbs on local green house gas emissions. Some have compared his initiatives to those of California’s Governor Schwartzenegger’s differences with the Bush administration.

As of 2010 Tokyo will impose caps on emissions on its largest polluters, along with credit trading for those who go over the limit. The city has budgeted $191M for green initiatives this year including subsidies to small businesses to help them comply. Building regulations are being tightened for new buildings and increased energy efficiency is being promoted in Tokyo homes and offices. Almost 1,000 hectares of new parks and trees will be planted in the next 8 years. Tokyo has a population of 13M people but it is only responsible for 5% of Japan’s emissions because it is has little heavy industry. However this stance will certainly send a strong message to the Prime Minister in time for the G8 summit next month where he has promised to put global warming high on the agenda, and hopefully show more leadership in this area.

Self-Healing solar-wind skins to retrofit older buildings

There’s nothing like a towering wind turbine to inspire NIMBY sentiment from neighbors and city councils alike. Enter a striking new alternative energy concept by Mexican-born Agustin Otegui, who works with economies of a much smaller scale. He has conceived of a next-gen Nano Vent-Skin that sheathes structures in a shimmering solar weave studded with micro-turbines. The concept takes advantage of a structure’s maximum available surface space, and its modular composition allows it to retrofit our old buildings instead of pouring resources into new ones. Plus, the stunning superstructure incorporates micro-organisms to soak up C02.

In the past we’ve covered approaches to alternative energy that seek to synthesize solar with wind. It’s an exciting area to watch as technology improves and processes are streamlined, and Ostegui’s concept charts some innovative new territory.

The Nano Vent-Skin is a zero-emission material that takes a tri-partite approach towards energy efficiency. First, it soaks up sunlight via a photovoltaic layer, and transfers energy via nano-wires to storage units at the end of each panel. Second, its tiny turbines employ “polarized organisms” to create chemical reactions, generating power each time the turbine makes contact with the structure. Third, the organisms present in the inner skin of each turbine soak up C02.

At the core of the technology is an elaborate system of bio-engineered micro organisms which “have not been genetically altered; they work as a trained colony where each member has a specific task in this symbiotic process.” Ostegui even has plans for the system to be self-healing: “Every panel has a sensor on each corner with a material reservoir. When one of the turbines has a failure or breaks, a signal is sent through the nano-wires to the central system and building material (microorganisms) is sent through the central tube in order to regenerate this area with a self assembly process.”

CFLs are not so green

More and more countries are banning incandescent light bulbs in favor of energy-efficient compact fluorescent lamps, or CFLs. But options to recycle the mercury-laden alternatives are often scarce.

A variety of European Union recycling regulations make it unlawful for EU residents to dispose of CFLs in the trash. In the United States, some states are following suit, though most localities rely on consumers to voluntarily mail the bulbs back to manufacturers for recycling. In developing countries, recycling is less available, and proper landfills often do not even exist in the event that the bulbs are discarded as trash.

To reduce hazardous waste at its source, leading CFL manufacturers have committed to reduce the mercury content of their products. Martin Goetzeler, CEO of Munich-based Osram, said his company aims to cut the mercury content of its CFLs by half in the coming years. “It should be part of any new technology that hazardous substances are regulated,” he said. “And we should use the lowest levels [of toxins].”

Solar Sunday

Sunday, June 1st, 2008

Solar Sunday is my weekly roundup of renewable energy and energy efficiency news from around the web.

Solar Apples !

If you read Inhabitat with any frequency, you know we are always on the lookout for greener gadgets that will reduce the amount of energy and waste associated with wireless mobility. Well, we just spotted some breaking greener gadget news that are sure to get Apple fans excited! Drumroll please..

Apple just filed a patent to infuse their hand-helds and computers with a thin film of solar cells, paving the way for a new generation of gadgets with battery life boosted by the sun. The patent approaches the prospect from every angle, with schematics to stack photovoltaic cells beneath the entire surface of their portables – including the screen!

We’ve covered portable solar solutions in the past, but it’s big news when such a prominent player steps up to the plate – and who wouldn’t love a greener Apple?

Personalizing the Winds

Love the idea of wind power, but can’t imagine that a wind turbine on your property could ever be quiet or unobtrusive? Personal wind turbines are the next big thing in wind power technology, and the Swift Wind Turbine is sure to make a splash with its quiet and unobtrusive design. Coming to rooftops in July 2008, this unique design uses an outer ring to diffuse air flow from five blades, minimizing noise to a minute 35 decibels – less noise than generated by whisper conversation. With the capability to generate up to 2,000 kWh annually, Swift is making small scale wind power more aesthetically and acoustically appealing.

Williamsburgh goes green

Sure, you’ve heard of the insular and aesthetic merits of green roofs. How about green walls? Enter Oulu, an eco-chic bar and lounge situated in southern Williamsburg. Designed by architect, sustainability expert, and Inhabitat contributor Evangeline Dennie, Oulu takes a literal approach to fresh design. Wrapped in a herbaceous façade, the LEED gold certified building bears its green cred for all to see.

Living walls were first conceptualized and constructed by French botanist Patrick Blanc. His Vertical Garden System is a lightweight support and irrigation system that allows buildings to reap the benefits of green roofs on all sides. The soil-free living walls provide thermal and acoustic insulation, purify the air, and add a lovely dose of levity to dense urban spaces.

At Oulu, all of these benefits are backed up by a structure built from the ground up with sustainable and environmentally friendly building materials. The 2,500 square foot bar features sheet rock recycled from industrial material, biodegradable ceramic tiles, and a sleek interior constructed from wood that is Forest Stewardship Council certified. The paint is low-VOC with a milk-based pigment, and natural mica panels contribute to the luminous interior mood lighting. Incredible work Evangeline!

Dirt goes Green?!?!?!

Take a little bit of soil, add some microbes, a little bit of human ingenuity and you’ll find yourself with the most unlikely source of power ever – dirt! Building off of this simple concept, a team from Harvard led by Hugo Van Vuuren have just been named amongst the winners of the World Bank’s Lighting Africa 2008 Development Competition. Their idea is to develop a series of dirt based fuel cells that are capable of lighting high efficiency LED lamps and their goal is to light up Africa.

Urban is the new Green

Each resident of the largest 100 largest metropolitans areas is responsible on average for 2.47 tons of carbon dioxide in energy consumption each year, 14 percent below the 2.87 ton U.S. average, researchers at the Brookings Institution say in a report being released Thursday.

Those 100 cities still account for 56 percent of the nation’s carbon dioxide pollution. But their greater use of mass transit and population density reduce the per person average. “It was a surprise the extent to which emissions per capita are lower,” Marilyn Brown, a professor of energy policy at the Georgia Institute of Technology and co-author of the report, said in an interview.

Metropolitan area emissions of carbon dioxide are highest in the eastern U.S., where people rely heavily on coal for electricity, the researchers found. They are lower in the West, where weather is more favorable and where electricity and motor fuel prices have been higher.

Solar Sunday

Sunday, May 18th, 2008

Solar Sunday is my weekly roundup of renewable energy and energy efficiency news from around the web.

Germany goes Solar

This sad stretch of eastern Germany, with its deserted coal mines and corroded factories, epitomizes post-industrial gloom. It is a place where even the clouds rarely seem to part.

A solar cell is checked on the assembly line at Q-Cells in Thalheim, Germany. More than 40,000 people work in the photovoltaic industry in Germany, helping to revive once-blighted areas.

Yet the sun was shining here the other day — and nowhere more brightly than at Q-Cells, a German company that surpassed Sharp last year to become the world’s largest maker of photovoltaic solar cells. Q-Cells is the main tenant among a flowering cluster of solar start-ups here in an area known as Solar Valley.

Thanks to its aggressive push into renewable energies, cloud-wreathed Germany has become an unlikely leader in the race to harness the sun’s energy. It has by far the largest market for photovoltaic systems, which convert sunlight into electricity, with roughly half of the world’s total installations. And it is the third-largest producer of solar cells and modules, after China and Japan.

LEDs light up the club scene

American DJ has unveiled a revolutionary new kind of intelligent moving head powered by a mega-watt LED. The company’s new X-Move LED utilizes one super-size 20-watt white LED to create a brawny beam that’s powerful enough to project gobo patterns and colors across floors, walls and ceilings.

Comparable to a 250W halogen lamp in output, the X-Move LED’s whopper LED beam shines through the fixture’s color and gobo wheels to create stunning images and patterns that look like they were produced by a traditional halogen or discharge effect. Yet, although the X-Move LED’s effects are indistinguishable from a conventional moving head to the eye, the unit offers the benefits and ease of LED technology, such as a long 50,000-hour rated lamp life and a low power draw. At a mere 44W, it consumes just a fraction of the energy of a traditional 250W effect! In addition to saving energy, this lets you hook up more units on a single electrical circuit.

A windy future

The U.S Department of Energy (DOE) today released a first-of-its kind report that examines the technical feasibility of harnessing wind power to provide up to 20 percent of the nation’s total electricity needs by 2030. Entitled “20 Percent Wind Energy by 2030”, the report identifies requirements to achieve this goal including reducing the cost of wind technologies, citing new transmission infrastructure, and enhancing domestic manufacturing capability.

Most notably, the report identifies opportunities for 7.6 cumulative gigatons of CO2 to be avoided by 2030, saving 825 million metric tons in 2030 and every year thereafter if wind energy achieves 20 percent of the nation’s electricity mix

Royal Renewables

HSH Prince Albert II of Monaco has been a long time supporter of the green cause too. Famed son of Grace Kelly, and head of Monaco, that little tiny tax-free haven falling into the sea, his foundation has done some serious, ground breaking work on global warming; renewable energies; loss of biodiversity; improving access to water and fighting desertification. In recognition, he has now been named Europe’s “Champion of the Earth” by the United Nations Environmental Programme. On receiving the award, he said: “We can’t go on as business as usual. Those who haven’t realised that yet will be sorry in a few years”. He pledged to “carry out missions to raise the alarm and heighten awareness in the field. The world is facing an unprecedented threat. We must assume our responsibilities without delay and rise to the challenge that history has placed upon our path”.

From oil to renewables

One of the world’s largest oil producers has begun construction on the first zero-carbon city, powered entirely by renewable energy.

Officials from Abu Dhabi, the capital of the United Arab Emirates, touted plans for a $22 billion development known as the Masdar Initiative at the Massachusetts Institute of Technology (MIT), in Cambridge, US, on 5 May.

“This is going to create huge business and research opportunities to get beyond where we are today,” says Khaled Awad, of the government-owned Abu Dhabi Future Energy Company.

UAE is the third-largest oil exporting country in the world and sits on 10% of the planet’s known oil reserves. Awad, however, sees the city, which will house an alternative energy research institute, as an investment in alternative energies that will eventually replace oil.

Electric is Glamourous

As he pulled one of the sleek new automobiles down a side street Thursday and put the pedal to the metal, its lithium-ion battery-powered engine didn’t give off sparks. It just emitted a powerful hum, something like a much quieter version of a jet taking off.

“Accelerate pretty good?” asked Snyder, head of client services for Tesla, who knew the answer.

“I call it a turbine sound,” he said of the sound. “Because it’s an electric motor it’s got 100 percent torque all the time. So it just pulls you like when you’re taking off in an airplane.”

After several years of development, the Roadster – with sleek lines like a Ferrari or Porsche and a sticker price of $109,000 – officially moves from the drawing boards to the market next week when Tesla’s first store opens. It’s near the University of California, Los Angeles, in the city’s toney Westwood neighborhood where Beverly Hills, Brentwood and Hollywood practically intersect.

“Because it’s Hollywood and glamorous, this is the flagship store,” Snyder said.

The next store is to open in a couple months near Tesla’s headquarters in the Silicon Valley city of San Carlos, where the car was developed with venture capital of more than $40 million from such investors as Google Inc. founders Larry Page and Sergey Brin. More stores are planned for Chicago, New York and other cities by early next year.

Although a fully loaded model can set a buyer back as much as $124,000, that’s still cheap compared with a high-end Ferrari. And its 6,831-cell lithium-ion battery pack gives off no emissions.

The car goes from 0 to 60 mph in just under four seconds and tops out at 125 mph. It goes 225 miles on one charge and can be fully recharged in 3.5 hours, which Tesla officials say should allow most people to drive it to work and back and recharge it at night like a cell phone.

Wind Mills for Living

Tuesday, May 22nd, 2007

Link

A series of rotating buildings based on Dynamic Architecture will be built around the world, starting in Dubai, U.A.E. The Dynamic Architecture concept was introduced by Florentine architect David Fisher.

The rotating buildings get their electrical power from wind turbines that are placed between floors and which rotate freely with the wind. Additional power is provided from solar cells on the tops of the individual floors.

Each individual floor is able to rotate slowly, based on commands issued by the owners of condos or apartments on that floor. I assume that the building owners can also take control, for coordinated movements of the floors. Note that the rotation of the floors is slow and uses power – the rotation of the floors does not produce power.

The building is constructed around a central core; each floor is composed of individual pie-like sections that are pre-built and hoisted up the central core (see illustration). The builder claims that rotating buildings can be constructed by just ninety people on the construction site; compare this to the typical skyscraper construction site, which may have up to 2,000 workers at a time.


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