Environment Technology

Environment Technology

Renewable Energy: Wind Power

Posted by admin on September 2, 2012 in Renewable Energy with No Comments

Available wind power is currently estimated at more than five times the energy used by the world today. An inventor in Boston has created a way to double that power in a system compact enough for urban wind generation.

Duration : 0:4:7

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What Is a REC?

Posted by admin on August 29, 2012 in Renewable Energy with No Comments

An animated explaination of Renewable Energy Certificate.
For more information about Clean Nation of Stream Energy, go to http://www.cleannationonline.com and to join go to

Duration : 0:2:39

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Community Shared Solar with Solarize

Posted by admin on August 26, 2012 in Renewable Energy with 1 Comment

An overview of the concept behind The Solarize Guidebook, which offers neighborhoods a plan for getting volume discounts when making group purchases of rooftop solar energy systems.

Duration : 0:3:15

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Hawaii going green on a global scale

Posted by admin on August 17, 2012 in Renewable Energy with No Comments

The Asia Pacific Clean Energy summit is underway in an effort to expand the state’s Renewable Energy production while boosting local businesses bottom line.

Duration : 0:1:59

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Clean Energy in Our Community: University of Minnesota Morris

Posted by admin on August 17, 2012 in Clean Energy with 2 Comments

The second in a new Energy.gov video series about local Clean Energy projects is University of Minnesota Morris and their partnership with the town of Morris, Minnesota.

Duration : 0:3:31

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Papantonio: Who Are The Climate Criminals?

Posted by admin on August 14, 2012 in Global Warming with 14 Comments

You don’t have to be an environmentalist or a scientist to be concerned about what’s happening to our planet when it comes to climate change. The evidence is all around us, and as a whole, we’re doing almost nothing to stop the coming catastrophes. And it’s because of a few wealthy, powerful, corporate elites that the United States has almost completely stalled all action to help combat global climate change, and Mike Papantonio recently spoke with Gaius Publius from America Blog about the corporate CEOs who are helping our planet burn to the ground.

Duration : 0:15:37

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Why Natural Gas Can Work With Renewable Resources

Posted by admin on August 11, 2012 in Renewable Energy with 1 Comment

For the full story, visit The PBS NewsHour: http://www.pbs.org/newshour

Dan Arvizu, director of National Renewable Energy Laboratory, tells Ray Suarez why natural gas is necessary for the U.S. right now and how it can work with fossil fuels to provide a more secure energy future.

Duration : 0:2:26

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Clean energy fuel spending checked by Gov. officials

Posted by admin on August 11, 2012 in Clean Energy with No Comments

Clean Energy fuel spending checked by Gov. officials

Duration : 0:0:47

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euronews hi-tech – Morocco makes renewable energy progress while the sun shines

Posted by admin on August 8, 2012 in Renewable Energy with 2 Comments

http://www.euronews.com/ With over 300 days of sunshine per year, Ain Beni Mathar in Morocco, near the border with Algeria, was the perfect site to build a thermal and solar hybrid plant.

The first of its kind in Africa, Ain Beni Mathar is a real opportunity for Morocco to explore alternative sources.

The country suffers greatly from its energy dependence, importing 97% of its coal and oil energy needs.

The National Office of Energy and the African Development Bank have opened the doors of the plant to euronews. On a guided tour, the company’s Chief Operating Officer Nour Eddine Fetian told us: “The principle is that the plant consists of two lines, two gas turbines, two heat recovery steam generators, one steam turbine and lines for production and energy discharge. So steam is produced by two sources: there is natural gas, under the normal combined cycle, and the steam produced by the solar field. Both vapours converge towards the steam turbine and are integrated at the same time to produce electric power.

The total output of the power plant is 472 megawatts, 20MW of which is solar, allowing it to satisfy about 10% of the country’s energy demand. Ain Beni Mathar is supplied with natural gas by the Maghreb / ‚Äč‚ÄčEurope pipeline.

Fetian Nour Eddine, the director of the Beni Mathar power plant also spoke about the intelligent energy recovery system: “So the combined cycle recovers energy from the exhaust gases to produce steam. Basically, after bring emitted, the exhaust gas enters a recovery boiler. The boiler is fueled by water and produces steam through heat exchangers. This steam then reaches certain parameters of temperature and pressure to enter the steam turbine, where it converges with the steam produced by the solar field to power the turbine and produce electrical energy through this mechanism.”

The plant uses an innovative cooling system. The giant fans are air-cooled condensers. They reduce water consumption by 5.3 million cubic metres per year and from at least one million cubic metres per year, there’ll be an 80% saving of water.

The plant’s director also explained how the cooling system works: “Since it operates in a closed cycle, the steam powering the turbine must condense. And so we need a cooling system. The system used in this plant is a dry cooling system, which minimises water consumption. So in effect, it becomes an air-water exchanger. Through the fans it draws in fresh air and is injected into a heat exchanger to condense the steam, recycle the water and resume the cycle early. But most importantly, it reduces water consumption by a very significant margin.”

The solar array occupies 88,160 hectares of the site: the 3688 cylindrical and parabolic panels follow the sun’s path. The site is a testing ground for Morocco. A 100% solar plant with a capacity of 2GW (giga watt) will soon come to Ouarzazate.

Fetian Nour Eddine, director of the Beni Mathar ISCC power plant said: “Here we have this parabolic format, which allows the dish to track the exact position of the sun to maximise the radiation. It quickly reflects the rays back toward the collector. This is where you find a special tube that circulates the oil. The oil recovers the maximum recovered energy of solar radiation and then transfers that heat to the recovery boiler.”

The plant meets strict environmental standards – allowing Morocco to save 12,000 tons of fuel oil per year. To halt its energy dependence, Morocco has implemented plans to produce 40% of Renewable Energy by 2020.

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Duration : 0:4:5

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ULTra PRT | Fully Charged

Posted by admin on August 3, 2012 in Renewable Energy with 25 Comments

Robert Llewellyn checks out ULTra PRT at Heathrow Airport, London.
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Fully Charged Podcast on iTunes @ http://bit.ly/fullchargediTunes

Robert visits London Heathrow’s Terminal 5 to test out the new ULTra PRT pod transport system. With 21 pods and over 4km of track it’s the only system of its kind in an airport anywhere in the world.

Fully Charged is an online show hosted by Robert Llewellyn (Red Dwarf, Scrapheap Challenge, Carpool), sponsored by British Gas: Looking After Your World. During this series, Robert will discuss why we need to change how we think about energy consumption now. He will be taking a look at the newest electric cars available on the market [Volvo, Ford, Peugeot, Renault & Nissan] and also different forms of Renewable Energy [Wind and Solar].

Duration : 0:10:30

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