How Safe Is Your Food?

February 1, 2019 by  
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According to the Centers for Disease Control and Prevention, one … The post How Safe Is Your Food? appeared first on Earth911.com.

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How Safe Is Your Food?

Why is the Insurance Industry So Eerily Quiet on Climate Risk?

January 6, 2012 by  
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Climate change poses a serious physical threat to everyone, but the insurance industry also faces a catastrophic financial risk. So you'd expect them to be among the most forceful corporate voices on climate policy. But you'd be wrong.

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Why is the Insurance Industry So Eerily Quiet on Climate Risk?

IBM Earns Kudos for 27 Green Data Centers in Europe

January 6, 2012 by  
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Essentially, IBM won the recognition by eating its own cooking. The firm applied some of the key solutions it markets for energy efficient data centers to its facilities in Europe.

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IBM Earns Kudos for 27 Green Data Centers in Europe

Future Perfect: Energy efficient data centers for greener computing

September 30, 2011 by  
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Pratima Kalra: Energy efficient data centers Energy efficient data centers for greener computing What’s happening right now? The rising demand in the computing sector across organizations and the energy implications are under scanner these days. Data centers in USA rank at number 6 in their electricity consumption and the demand is further rising. It is a myth that computing equipment in offices uses the maximum amount of energy, but in reality it accounts for only 50 percent of it. Cooling consumes around 40 percent which constitutes air circulation, humidity control and heat rejection. The remaining 10 percent goes in lighting, etc. The main problem faced is when the cool and the warm air mix together due to which a lower set point has to be fixed. Trends 1. Yahoo Energy-Efficient Data Center Yahoo’s Energy-Efficient Data Center Yahoo’s new Energy-Efficient Data Center at Lockport, N.Y. Yahoo has a sizable data center for the thousands of servers and computer systems occupying an area measuring 1, 55,000 square feet and it holds around 50,000 servers. This can almost convert the center into a sauna of overheating networks that will bear heavy demand on cooling. Yahoo wants to implement a green solution for cooling, although it can choose to use ACs but their high demand of energy and high carbon emissions make them repulsive for use. Yahoo’s data centre is accommodated in an area measuring 1, 55,000 square feet and it holds around 50,000 servers. It has been modeled after chicken coop that will ensure free circulation of natural air and will cut down 40 percent of the energy consumption. Unlike contemporary data centers that spend 40 percent energy on cooling, Yahoo uses only 1 percent of energy on cooling. 2. Syracuse University’s new data center Syracuse university’s green data center Syracuse University’s new data center to use 50% less energy The new data center planned by the Syracuse University will occupy 6000 square feet and will cost approximately $12.4 million. They aspire to cut the electricity consumption by 50 percent for this unit. Natural gas micro turbines will be used fuelling an onsite electrical co generation system. 100 percent energy will be generated using this system. An add-on benefit of this system is that the heat from the turbines will be used in double effect absorption chillers for the center’s chilled water requirement. 3. Facebook’s Energy Efficient Data Center Facebook’s Energy Efficient Data Center Facebook’s Prineville data center in Oregon Facebook’s Prineville data center in Oregon is built to save 36 percent energy consumption and also it is 24 percent cheaper in comparison to other such ventures by Facebook. The power usage effectiveness ratio of this center is 1.07 while that of other facilities is around 1.5, which clearly indicated the energy efficiency levels. To promote and help organizations to replicate this model, Facebook will be releasing all mechanical as well as technical specifications in the form of open hardware. 4. Colocation America’s Data Centers Colocation America’s Data Centers Data Centers uses significantly less power than companies with in-house data centers For the in-house data centers, Colocation America has implemented an energy efficient power strategy to curb down the environmental implications. The most trivial of things like sending e-mails to internal employees is another step to reduce the carbon footprint. The company makes sure it hires network engineers who connoisseurs in the art of setup, configuration and can well handle equipment with maximum efficiency. The concept The growing needs and size of the data centers in the US means that heavy power demands will be made, but big companies are determined to not increase the burden on power supply and also they aspire to develop solutions that would be environmental friendly. This can be done in multiple ways; firstly, they want to reduce the amount of energy required for cooling since that is extraneous and non productive. This can be done if natural cooling is available in plenty and even if the power requirements are high they want to set up systems that will use renewable energy resources and thus in house power, which is carbon free will power the data centers. The advantages Energy efficient data centers are so direly required, they are environmentally friendly and their working is well calculated, which will further help for making an analogy for other similar requirements. Firstly, they help to accurately measure your power usage; they are so designed for natural air circulation and optimal efficiency without the use of chillers or any such devices. The impact Every small step taken leads you closer to your destination, and taking bigger leaps is still better. Organizations like Facebook have realized they have a significant social significance and that moving towards green solutions is but the thing to do. These large business houses have become the trend setters and the impact is that all big and small business are likely to follow in their footsteps and collectively the power saved would make a substantial sustainable solution.

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Future Perfect: Energy efficient data centers for greener computing

The good, the bad and the ugly about hybrid yachts

September 30, 2011 by  
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Pratima Kalra: hybrid yachts hybrid yachts for the future How many yachts does an average person ride during his lifetime? Without argument, the relative number will be very minute when you take the visibility of cars on streets. But this minuscule activity should not deter us from taking green steps to help reduce the carbon footprint of yachts. Hybrid propulsion systems are rapidly making inroads into the yacht segment now with new forms of hybrid solutions. Hybrid technology will ensure zero emissions, noiseless drive and also eliminate the need for separate generators for on board equipment. With a slight turn of the ignition key and solely electric propulsion a speed of 5 knots will be targeted. The electric drive will boost the propulsion and that will improve the acceleration and lower fuel consumption. Learn more by reading the following. The good The good side of the hybrid yacht is that it will reduce fuel consumption and increase the efficiency of electric propulsion by combining battery power and solar or wind power. The energy regenerated by wind or solar power when input into a large format battery will give a more powerful initial thrust in comparison to the other standard diesel propulsion. The yachts can harness the available solar and wind energy much better than cars; therefore, the hybrid concept is even more valid for the yachts. New paradigms are being set in the hybrid eco industry by the introduction of the hybrid ferries. Hornblower Hybrid launched in San Francisco was the pioneer in the field and it used a combination of diesel power along with solar and wind energy. Later on, they also added a proton exchange membrane fuel cell for converting the hydrogen into electricity. Maximally lithium ion batteries are popular for carbon fiber boats. For a good power supply, excellent life cycle and advanced command and control systems a new found lithium iron magnesium phosphate battery is also being propagated. These batteries are high on both the power to weight and power to volume ratio. Also, these batteries are not prone to thermal runaway. They will help extend the cruising range of the yachts with limited fuel resources and have built in redundancy that helps in switching over from electric to diesel and vice-versa. These technological upgradations will continue further. Many countries are already researching about the pros and cons of the hybrid propulsion. There is still room for a whole lot of betterment and these techniques will evolve with the passage of time. The bad Just by analyzing the present times, we can say that the disadvantages or bad points about the hybrid technology for yachts is that hybrid technology will limit the speed of the yacht and also the initial cost of investment will be high. For a displacement boat, the power requirement is calculated as a cubic function. Thus, stored fuel will help drive at the right speed, but if yachts are used for ferrying tourists on a daily basis, then a maximum solar power of 20 hp will allow 6 knots and 10hp will drive the vessel at an approximate speed of 4.5 knots. The weight of the hybrid electric motor will currently limit the efficiency at fluctuating speed levels; it will only work well at constant high speeds. Economies of scale are yet not applicable with the hybrid technology and therefore it will be more expensive in comparison to the incumbent technology. These are the problems which researchers are working on and soon they might be out with the appropriate solutions. The ugly The hybrid technology is still underway in its development stages and is likely to take time to become a fully well bred and applicable entity. Analysis made by many throws light on the good and the bad about its use, but to jump to the ugly part will require more in depth knowledge about the concepts and its wide application will be awaited to conclude about the worst. The bottom line The hybrid propulsion system for cars and yachts is almost the same, with both requiring a combination of diesel and an electric motor. But unlike cars, yachts have much larger housetop spaces for installing solar panels or turbines for harnessing sufficient amounts of sunlight and wind that would be converted into energy. The power needs of a yacht are much greater than cars as they have the extra hotel loads. Most of them require power for heating and cooling, cooking, lighting, entertainment and much more, but given the high amount of renewable resources at their disposal this issue can be well handled.

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The good, the bad and the ugly about hybrid yachts

Vantage Data Centers Latest to Land LEED Platinum Certification

August 22, 2011 by  
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A deep-green data center on a Santa Clara campus that’s soon to be full of deep-green data centers has officially received the highest level of LEED certification, following on the news from GE last week that it too had landed the green seal.

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Vantage Data Centers Latest to Land LEED Platinum Certification

Assessing Companies’ Walk-Talk Ratio

August 22, 2011 by  
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For many companies, the environmental walk-talk ratio is out of balance, though not necessarily in the way most people think.

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Assessing Companies’ Walk-Talk Ratio

How Top Websites & Data Centers Suck Down Energy (Infographic)

April 19, 2011 by  
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Image credit: benstein via Flickr/ CC BY By now, you’ve surely gotten wind of Greenpeace’s campaign to get Facebook to ‘unfriend’ coal — Jaymi’s been doing some great coverage of the

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How Top Websites & Data Centers Suck Down Energy (Infographic)

Datapipe Completes Transition to 100% Green-Powered Data Centers

March 9, 2011 by  
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The global data center services provider announced that all of its U.S.-based facilities are now completely powered by renewable energy.

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Datapipe Completes Transition to 100% Green-Powered Data Centers

European Data Centers Get LEED-Like Sustainability Rating

January 12, 2011 by  
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The new CEEDA certification, developed by the British Computer Society, aims to bring a green focus to data center operations.

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European Data Centers Get LEED-Like Sustainability Rating

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