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OCT 09

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"Organic is definitely trendy, but I think it is so for a good reason. ..."

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​Flaws in the "Organic Food" Study
Written by Philip Proefrock on 09/10/12   

Last month there was a great deal of media attention paid to a study about organic food (Are Organic Foods Safer or Healthier Than Conventional Alternatives?: A Systematic Review), which was widely cited for concluding that "[there is cheap levitra generic no] evidence that organic foods are significantly more nutritious than conventional foods." But the study is more spin than significant science.

A critique of the study in the New York Times by columnist and tramadol pain killer without a prescription food writer Mark Bittman points out the weaknesses and oversimplifications in the study that have been used to "debunk" organic food based on criteria that are significantly immaterial to the http://www.auburg.de/buying-real-cialis-without-prescription organic label.

Bittman says of the study, "[it] was like declaring guns no more dangerous than baseball bats when it comes to blunt-object head injuries. It was the equivalent of comparing milk and Elmer’s glue on online cheap viagra the basis of cialis united states whiteness. It did, in short, miss the point." The other half of the conclusion of the study, "Consumption of organic foods may reduce exposure to pesticide residues and antibiotic-resistant bacteria," was much more overlooked.

Organic food has never been about some perception of super-food with extra nutritional value, except perhaps to those who don't understand organic in the first place. But this study was so narrow in its definitiion of "nutritious" (which was taken to cialis delivered overnight mean "containing more vitamins") that, as Bittman points out, "you can claim that, based on nutrients, Frosted Flakes are a better choice than an apple."

The benefits of organic farming are numerous, and are far beyond relative comparison of www.airatlanta.ie the amount of some vitamin content. Not only are there potential individual benefits (the aforementioned reduced exposure to pesticide residue and so forth), but contributing to such broader environmental benefits as reduced pesticide use and more sustainable farming practices are also worthwhile goals.

image: CC BY-SA 3.0 by Ragesoss

via: NY Times (apologies; this may be behind their paywall)

 

NOV 15

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"I always appreciate the sensitivity of big corporation. They should se..."

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Google Supporting USGBC on Green Building Materials
Written by Philip Proefrock on 15/11/12   

A grant of $3 million from Google to the US Green Building Council (USGBC) was announced during the annual Greenbuild conference which is taking place in San Francisco this week. Google has been a leader with the greening of its own facilities and has taken a very proactive step in avoiding the just try! brand cialis for sale use of "red list" construction materials in its own facilities.

The grant is meant to be used for furthering green building materials research and very good site cheapest prices on levitra the promotion of communications in and around the green building process. "The grant supports three related efforts: research on building materials and their effect on health, development of order viagra no perscription new building transparency tools, and encouraging conversation between industry stakeholders." More specific detail about how this grant will be applied by USGBC remains to be announced.

Google's grant gives the USGBC some leverage of its own since some credits in the LEED building rating system have been targets of objection by strong monied interests.  These include the credit for use of certified sustainable wood and the proposed materials credits that incorporate open reporting of chemical content of products and "for selecting products for which the chemical ingredients in the product are inventoried using an accepted methodology and for selecting products verified to minimize the use and generation of harmful substances."

via: Eco-Structure

 

FEB 20

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"Reading between the buy super cialis lines, this is a green wash covering expanded (har..."

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New Database to Help Increase Environmental Responsibility of Ocean Power
Written by Sarah Rich on 20/02/13   

In collaboration with the International Energy Agency, the United States Department of cialis online sales Energy (DOE) recently launched a new database that brings together environmental monitoring and worldwide ocean energy development efforts. Called Tethys, the database will show the interrelationship between processes in nature and www.barefootfoundation.com ocean power technology, and will function as a resource to www.investordaily.com.au help keep environmental responsibility at the forefront of ocean-based energy production projects.

Named after the Greek titaness of the ocean, Tethys will help industry regulators and energy project developers alike identify possible environmental effects of the efforts to gain sustainable, clean energy from the world’s oceans. Tethys offers real-world data that accounts for the interconnectedness of oceanic ecosystems and technology, and offers insight on the interactions between energy-producing machines, marine wildlife, and the physical processes of the ocean. Having all of this data compiled together-- from tidal current turbines projects to published studies on offshore wind farms and marine mammals--will allow for a safer expansion of www.accessibleadventuresvt.org ocean power. According to the DOE’s announcement, the database also has an accompanying report that highlights research on ways to monitor ocean energy projects and possible environmental effects.

The world’s oceans offer immense potential for alternative energy development. As with any alternative energy resource, however, ocean power developers must taken into account any negative environmental impacts from the technology in order for ocean power to be a truly renewable source of energy. As a living document, Thethys will constantly increase our global understanding of the ocean as new projects and new research data arise. In order to expand Tethys’s usefulness for current and future ocean power projects, the DOE encourages researchers to ordering viagra online submit their studies to the database.

You can view an interactive map of Tethys here, and check out the technological developments in and environmental research on oceans around the world.

image: CC by 2.0 by Phil Manker

via: US Department of Energy

 

JAN 05

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"FIPEL lights are similar to fluorescent lights? Or it is more useful t..."

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​FIPEL Lights May Offer Alternative to LED
Written by Philip Proefrock on 05/01/13   

LEDs may seem to be the peak of efficient lighting technology, but they aren't perfect, and that doesn't mean that other technologies aren't being explored. Recently, scientists from Wake Forest University announced a new kind of light called FIPEL, which stands for "field-induced polymer electroluminescent." If it performs as promised, it offers several advantages over LED and compact fluorescent lights. With commercial development already under way, lights using this technology are reportedly going to be available to consumers in 2013.

Researchers behind the project are promoting it for its improved color properties, as well as avoiding the use of mercury or the "annoying buzz" in fluorescent lights. Of course, the old style T-12 fluorescent bulbs, and their associated magnetic ballasts (which were the kind that could develop a hum) are already being phased out, and means and methods for warming the light from LEDs have long been available.

This is not to best price cialis say that there are no benefits from FIPEL lights. One disadvantage that most LEDs present is that they are point sources, so the light is buy levitra australia very directional. FIPEL light comes from the entire surface (similar to the ESL light, another alternative to CFL or LED lights).

A review posted in Ars Technica reveals a number of weaknesses in the data available about the FIPEL light. Ars notes that the new light is "based on FIPEL technology," and not necessarily a proper FIPEL light. The article from Ars also dissects the numbers around FIPEL light as compared with other technologies, and finds it seriously wanting.

For instance, the light level of pill price viagra the test FIPEL had a luminance of 100 cd/sq meter, which is only a tiny fraction of the luminance of a light such as a fluorescent tube (27,000 cd/sq meter) or even the online pharmacy propecia viagra Moon (2,500 cd/sq meter). However, the photo attached to the press release and http://www.dukefoundation.org/cialis-sale used in other articles about the technology (as well as this one) show something in the researchers' hands that is more than a little bit brighter than the lab space. So the numbers may not add up, but something would appear to be working. Furthermore, glare can be reduced by spreading the light over a wider area, so a larger area, lower luminance light source is not necessarily a bad thing.

via: Buildings

 

MAR 07

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"Yes it is true that in past when the florecent lights introduced in ma..."

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Cree LED Light Bulb Hits Milestone Price Point
Written by Philip Proefrock on 07/03/13   

Several years ago, the $10 level was a turning point for the widespread adoption of compact fluorescent light bulbs (CFL). Once the bulbs were priced that low, people were willing to take a chance to try one or two and see how they liked them and how they performed. Now, the same point has been reached in the development of LED lights.

A couple of years ago, 60-watt equivalent LED bulbs were priced around $30 to $40, and a couple years before that, they were closer to $100. Now, Cree is offering three LED bulbs with a price close to cheap tramadol 2 day shipping $10 (though only one of the three is actually under $10 retail price).

Cree is offering three different LED bulbs: a warm white 60-watt replacement, a daylight 60-watt replacement, and a warm white 40-watt replacement. These bulbs have the performance we've come to expect from LEDs, with a 25,000 hour lifespan rating and use only about 15% of the energy used by and equivalent incandescent bulb.

The Cree bulbs also have a "normal" looking package as compared to the now-familiar curly CFL. These LED bulbs also have a coated glass bulb, rather than a plastic covering like many other LEDs have had. Although the LED bulbs are not drastically more efficient than CFLs, the LED bulbs are also instant-on and are dimmable, which are features many CFLs do not have.

Cree is rolling out a selection of slogans to try to promote these bulbs, including "The Biggest Thing Since the http://www.peseta.org/fda-approves-cialis Light Bulb," and "Its non-weird shape emits non-weird light." The company also is touting the below $10 price, although both of buy now viagra the 60-watt equivalents are priced somewhat higher. Nevertheless, this is still a big move in the lighting market.

Hat tip: Studio Z

 


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