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With fuel prices rising and supplies dwindling, more and more inventors are turning their creativity towards cars that work without the need for barrels of gasoline. True, there have been a number of vehicles released that run on electricity but now designers are turning to another precious resource - air. It's not a new concept, as early as the 1920s, car designers were dabbling with the idea of cars that could run off air alone - one involved cycling air through a propeller at the front of the car - but few came to fruition. Now, designers are again looking at how air can be used to power a car.

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The City Council on Wednesday became the first in Ohio with a plan to channel grants and loans to residents and businesses to replace tar and shingles with vegetation. Supporters of the idea want to see Cincinnati become a leader in green roofs, a European-born movement that has spread to only a few U.S. cities, including Chicago, Milwaukee and Seattle.

Shin Abe doesn't find it odd that the picturesque little Japanese town of Kuzumaki, where he has lived all his life, generates some of its electricity with cow dung. Nor is the 15-year-old middle school student blown away by the vista of a dozen wind turbines spinning atop the forested peak of nearby Mt. Kamisodegawa. And it's old news to Abe that his school gets 25% of its power from an array of 420 solar panels located near the campus. "That's the way it's been," he shrugs. "It's natural." To Abe, it is. But the blase teen has grown up in an alternative universe - one that might be envisioned by Al Gore. That's because Kuzumaki (population 8,000) has over the past decade transformed itself into a living laboratory for the development of sustainable and diversified energy sources. "When I was growing up, all we had [to generate power] was oil," says Kazunori Fukasawaguchi, a Kuzumaki native who now serves in local government. "I never imagined this kind of change." (Read TIME's Top 10 Green Ideas of 2008.)

As President-elect Barack Obama prepares to tackle the vast problems ahead for America, he has consistently made two bold proposals. First, he intends to make an immense investment in infrastructure - roads, bridges, railways - to jump-start jobs. Second, he plans to boost clean green technologies to make up for the squandered opportunities of the Lost Decade. These are both powerful, worthy ideas. But they would be far more powerful if they were directly connected. The incoming administration has a historic opportunity to accomplish five major goals at once through a massive investment in stopping the waste of energy and dollars pouring out of American homes.

As we advance more into the 21st century, technology will advance as well. A very interesting advancement is the idea about turning grease into electricity.

The Age recently had an article on the emerging practice of "guerilla gardening", taking a look at the "Gardening guerillas in our midst". This concept seems to have steadily increased in popularity in recent years (admittedly from a very low base) as the permaculture movement's ideas have been propagated through the community. Unlike the usual approach taken when trying to grow food in the suburbs - converting spare land on your own property (as discussed by aeldric previously and, more recently, in Jeff Vail's series on A Resilient Suburbia) - guerilla gardening involves cultivating any spare patch of urban land that isn't being used for another purpose, which could provide a substantial addition to the food growing potential of suburbia.

Technology Review reports that the idea of hybrid gas-solar thermal power plants is being considered for coal fired plants now - Cutting Coal Use with Sunshine. Feeding heat from the sun into coal-fired power stations could turn out to be the cheapest way to simultaneously expand the use of solar energy and trim coal plants' oversize carbon footprints. At least that's what the Electric Power Research Institute (EPRI), a nonprofit organization backed by the electricity industry, is hoping. Last week, the institute launched a nine-month, $640,000 study to pin down the scale of the opportunity and the engineering challenges involved with making these seemingly disparate technologies work together. The study will examine the potential use of solar-thermal technology at a pair of coal-fired power stations, in New Mexico and North Carolina.

Spiegel Online published a series of pictures titled "Desertec: Strom aus der Wüste" (translation: Desertech: Electricity from the desert). It includes this image of how much land would be needed to power the world, Europe or Germany with solar-thermal power. The idea is similar to a post we did a year ago: How Much Land to Power The Whole World with Solar?

When California launched the nation's biggest solar incentive program at the beginning of 2007, the idea was to transform the landscape by installing a million solar rooftops throughout the Golden State.

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One of the objectives we should want to achieve when defining and presenting ourselves or our life's endeavors is authenticity. One could take it that design also has authenticity has an objective as well from the writings of Finn McKenty, who blogs at Lightheavyweight. Perhaps, though, it is wrong to think of them as being in separate arenas.Finn McKenty extends the concern with authenticity to endeavors of social-engagement. Specifically, the Greener Grass project, which is about connecting people with ideas designed to have a positive impact.

Greentech Media has a post on one of the major issues facing electric car manufacturers - getting people used to the idea - Learning to Live With Electric Cars. While consumers overwhelmingly say they want plug-in cars, consumers will have to be educated on the differences between them and gas-burning cars, says Debra Reed, CEO of San Diego Gas & Electric, which will take delivery of 10 to 15 all-electrics Nissan when they come out next year. Nissan and SDG&E showed off a "mule" of Nissan's electric commuter today. The functioning vehicle sports the same basic motor and other electronics that will come with the production all-electric cars, said a Nissan spokeswoman. However, it is housed in the shell of an existing car.

As the utilities industry enters a new era, gender diversity will be key to providing new perspectives and ideas. So why are women still so under-represented? Key female industry figures, including the first female chair of the World Energy Council, discuss the problem of gender diversity in utilities.

As the utilities industry enters a new era, gender diversity will be key to providing new perspectives and ideas. So why are women still so under-represented? Key female industry figures, including the first female chair of the World Energy Council, discuss the problem of gender diversity in utilities.

Hair transplantation is the process of transplanting one's own hair from the back of the head to the front or top of the head.

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