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Greenlist(tm) Bulletin 11/04/2005


This is the weekly bulletin of the TURI Library, reporting a selection of recently published titles we have acquired. Our pledge is to keep the bulletin relevant to your work and brief -- no more than 10 titles. You are welcome to send a message to jan@turi.org if you would like more information on any of the articles listed here.

Titles here, abstracts below them:
  1. Organic Greenroof Architecture: Sustainable Design for the New Millenium. 2005
  2. Composites Growth Spurs Green Harbor Trends in Pine Tree State. October 2005
  3. Modifications render carbon nanotubes nontoxic. October 2005
  4. Massachusetts Green Communities Initiative Launched. July 2005
  5. New Polymers Offer Advantages for Medical Devices and Packaging. October 2005
  6. Climate Change Futures: Health, Ecological and Economic Dimensions. November 2005
  7. Copper-free Dye. October 2005

 

1. Organic Greenroof Architecture: Sustainable Design for the New Millenium

AUTHOR Velazquez, Linda S.

DATE 2005

SOURCE Environmental Quality Management, v14 n4, Summer 2005, pp73-85

ABSTRACT This article presents an overview of the greenroof concept. Included is discussion of the history of greenroofs—which, though relatively modern in their present form, are rooted in ancient vernacular architecture and in the innate human desire to connect the built environment with nature. It discusses basic greenroof technologies and explains some of the key ecological, economic, aesthetic, and psychological advantages that greenroofs offer to both users and owners.


2. Composites Growth Spurs Green Harbor Trends in Pine Tree State

AUTHOR Rizoli, Jay

SOURCE Mass High Tech, v23 n43, October 24-30, 2005, p6

ABSTRACT With 17 million acres of forest, the state of Maine certainly isn't wanting for wood. But along the Pine Tree State's 3,478 miles of coastline, the maritime industry is looking to a new material for marine infrastructure and vessels -- composites. Composite materials and products engineered from two or more components, such as fiberglass or carbon and a binding elements such as polyester or epoxy. Composites are commonly used for outdoor decks, but the potential uses are myriad, and that has Maine companies, entrepreneurs, educators and state officials abuzz.


3. Modifications render carbon nanotubes nontoxic

SOURCE Rice University, 10/26/2005

ABSTRACT In follow-on work to last year's toxicological study on water-soluble buckyballs, researchers at Rice University's Center for Biological and Environmental Nanotechnology (CBEN) find that water-soluble carbon nanotubes are significantly less toxic to begin with. Moreover, the research finds that nanotubes, like buckyballs, can be rendered nontoxic with minor chemical modifications. The findings come from the first toxicological studies of water-soluble carbon nanotubes. Research has been conducted on the toxicity of carbon nanotubes, but CBEN's is the first to examine the cytotoxicity of water-soluble forms of the hollow carbon molecules. In their native state, carbon nanotubes are insoluble, meaning they are incompatible with the water-based environment of living systems. Solubility is a key issue for medical applications, and researchers have developed processing methods that render nanotubes soluble. In particular, scientists are keen to exploit the fluorescent properties of carbon nanotubes for medical diagnostics.


4. Massachusetts Green Communities Initiative Launched

SOURCE Massachusetts Green Communities, July 7, 2005

ABSTRACT Officials from MassHousing, The Massachusetts Technology Collaborative (MTC), and The Enterprise Foundation (Enterprise) have announced the Massachusetts Green Communities Initiative to build more environmentally-friendly, affordable housing that adheres to smart growth principles. The three organizations will make available approximately $209 million worth of incentives to build 1,000 new environmentally-friendly, “green,” homes in Massachusetts. This project will not require any new taxpayer dollars. MassHousing will provide approximately $125 million in mortgage financing. Enterprise will provide up to $75 million in private equity from the sale of low-income housing tax credits. Enterprise will also provide up to $500,000 in grants, and will offer loans for the pre-development, acquisition and construction of projects which meet specific “green” building criteria. MTC will provide $8.5 million in grants specifically for renewable energy technologies such as photovoltaic panels, wind powered electricity generators, water-powered electricity generators and fuel cells that are used in the construction of affordable housing. Massachusetts Green Communities is part of the National Green Communities Initiative. It is a five-year, $555 million commitment to build more than 8,500 environmentally responsive affordable homes.


5. New Polymers Offer Advantages for Medical Devices and Packaging

AUTHOR Stewart, Richard

SOURCE Plastics Engineering, v61 n10, October 2005, pp20-27

ABSTRACT New higher-performing polymers and innovative processing methods have expanded the opportunities for plastics in the medical industry, in the areas of both devices and packaging. Cost reduction pressures in health care have driven the development of high-quality, lower-cost alternative polymers, while engineering polymers continue replacing metal and glass in medical devices. New applications—from disposables to implantables— make medical plastics an exciting and growing part of the plastics industry. Len Czuba, SPE President and head of Czuba Enterprises, Inc., a product design and development firm specializing in medical devices, observes that there is a misconception that the medical industry is mature and the development of medical plastics is slowing down. “It might surprise some people to know that the number of patents related to medical plastics has been increasing at a rapid pace since the beginning of this decade. “We’re seeing more and more intellectual property being developed around medical plastics in three primary areas: • Disposable Materials—low-cost plastics for containers and fixtures, molded connectors, and tubing. Good quality materials are needed to make those items very inexpensively but still reliable and with good quality materials. • Durable Plastics—to replace metal and glass in reusable devices. These materials offer cost advantages and can be formed into more intricate shapes than metal and glass. They can be colored and, unlike metal instruments, do not interfere with imaging. • New Materials—superior engineering polymers are replacing metal for implants, analytical instrument> components, and other applications for which plastics had not earlier been considered. Micromolding has opened up new opportunities for the production of extremely tiny molded components.”


6. Climate Change Futures: Health, Ecological and Economic Dimensions

SOURCE The Center for Health and the Global Environment, Harvard Medical School

DATE 2005

ABSTRACT Climate is the context for life on earth. Global climate change and the ripples of that change will affect every aspect of life, from municipal budgets for snowplowing to the spread of disease. Climate is already changing, and quite rapidly. With rare unanimity, the scientific community warns of more abrupt and greater change in the future. Many in the business community have begun to understand the risks that lie ahead. Insurers and reinsurers find themselves on the front lines of this challenge since the very viability of their industry rests on the proper appreciation of risk. In the case of climate, however, the bewildering complexity of the changes and feedbacks set in motion by a changing climate defy a narrow focus on sectors. For example, the effects of hurricanes can extend far beyond coastal properties to the heartland through their impact on offshore drilling and oil prices. Imagining the cascade of effects of climate change calls for a new approach to assessing risk. The worst-case scenarios would portray events so disruptive to human enterprise as to be meaningless if viewed in simple economic terms. On the other hand, some scenarios are far more positive (depending on how society reacts to the threat of change). In addition to examining current trends in events and costs, and exploring case studies of some of the crucial health problems facing society and the natural systems around us, “Climate Change Futures: Health, Ecological and Economic Dimensions” uses scenarios to organize the vast, fluid possibilities of a planetary-scale threat in a manner intended to be useful to policymakers, business leaders and individuals. Most discussions of climate impacts and scenarios stay close to the natural sciences, with scant notice of the potential economic consequences. In addition, the technical literature often “stovepipes” issues, zeroing in on specific types of events in isolation from the real world mosaic of interrelated vulnerabilities, events and impacts. The impacts of climate change cross national borders and disciplinary lines, and can cascade through many sectors. For this reason we all have a stake in adapting to and slowing the rate of climate change. Thus, sound policymaking demands the attention and commitment of all. While stipulating the ubiquity of the threat of climate change, understanding the problem still requires a lens through which the problem might be approached. “Climate Change Futures” focuses on health. The underlying premise of this report is that climate change will affect the health of humans as well as the ecosystems and species on which we depend, and that these health impacts will have economic consequences. The insurance industry will be at the center of this nexus, both absorbing risk and, through its pricing and recommendations, helping business and society adapt to and reduce these new risks. Our hope is that Climate Change Futures (CCF) will not only help businesses avoid risks, but also identify opportunities and solutions. An integrated assessment of how climate change is now adversely affecting and will continue to affect health and economies can help mobilize the attention of ordinary citizens around the world and help generate the development of climate-friendly products, projects and policies. With early action and innovative policies, business can enhance the world’s ability to adapt to change and help restabilize the climate.


7. Copper-free Dye

SOURCE AATCC Review, v5 n10, October 2005, p11

ABSTRACT The latest addition to DyStar's Levafix CA range of high-performance reactive dyes is Levafix FastRed CA. According to the company, this new copper-free dye can be applied by all common dyeing methods and is especially suitable for pale to medium shades. It features include excellent reproducibility and reliable application. The dye offers outstanding light and wet light fastness even in the presence of acid and alkaline perspiration, and alkaline or oxidative detergent residues, and it has very high fastness to repeated washing. It also is metal and AOX-free, has an excellent fixation profile and is easy to wash off, thus saving processing water and energy.

 

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