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Environmentally-friendly

Gizmag presents a look at five of our favorite passively-cooled homes

Home air-conditioning offers near-instant relief from hot weather but is both expensive and resource-heavy to run. Gizmag picks five of our current favorite passively-cooled homes that are environmentally responsible to keep comfortably cool, and – perhaps just as importantly – very desirable to live in.  Read More

Following the success of it spnKiX motorized skates, Acton, Inc. recently revealed a new e...

Last year, Acton, Inc. made quite an impression with its spnKiX motorized skates, and it looks like the company has even more personal vehicles in the works. Recently the company revealed a new electric motorbike called the M Scooter, which the company claims can fold up into about half its size for easier storage. Besides being a more compact and eco-friendly form of transport, Acton estimates that its electric scooter will cost less than US$0.10 per day to drive under normal use.  Read More

An artist's impression of California's new high-speed train

When people grumble about how they think the US isn’t as technologically advanced as it should be, they like to bring up bullet trains – Europe and Asia have them, so why doesn’t America? Well, it’s getting one. Work is starting this summer on a high-speed rail line running from San Francisco to Los Angeles, that will carry a passenger train traveling at over 200 mph (322 km/h).  Read More

Prof. Edward Cocking, developer of the N-Fix system

Synthetic crop fertilizers are a huge source of pollution. This is particularly true when they’re washed from fields (or leach out of them) and enter our waterways. Unfortunately, most commercial crops need the fertilizer, because it provides the nitrogen that they require to survive. Now, however, a scientist at the University of Nottingham has developed what he claims is an environmentally-friendly process, that allows virtually any type of plant to obtain naturally-occurring nitrogen directly from the atmosphere.  Read More

The Compleat FoodBag from Unikia is a new take on the reusable lunch box that remains stur...

Norwegian company Unikia is looking to update the plain old lunch bag with its Compleat FoodBag, a reusable lunch box that keeps food fresh and protected in transit and rolls up compactly when the meal is over.  Read More

Tel Aviv University's new building, featuring its EcoWall (Image: Axelrod-Grobman Architec...

A new building at Tel Aviv University features a standalone EcoWall that aims to provide vertical garden space and research facilities for its faculty. The university's Porter School of Environmental Studies (PSES) hopes that its new green building design will not only join the small number of LEED certified buildings in the country, but will also highlight sustainable methodologies for future buildings in Israel.  Read More

LumiSands founders Chang-Ching Tu (left) and Ji Hoo, demonstrating the warmer hue of an LE...

LED light bulbs may be more energy-efficient and longer-lived than their incandescent equivalents, but they’re also considerably more expensive to purchase. This is largely because rare earth elements (REEs) are used in their phosphors. There are hazards involved in the mining and processing of REEs, plus China is responsible for almost the entire world’s supply, so they’re becoming increasingly pricey. Now, however, scientists have come up with a plentiful alternative material that they say is much more environmentally friendly, and that should drive down the price of LEDs.  Read More

The Hathigaon elephants can visually connect with their caretakers (Photo: Carlos Chen)

Hathigaon (or elephant village) is an ongoing low-income housing project by RMA Architects designed to provide a suitable habitat for 100 working elephants and their keepers. The project is located on the foothills of the popular tourist destination of Amber Palace, near Jaipur, India, and sees land once devastated by sand quarrying once again reclaimed for use.  Read More

A sheet made up of the polymer opals

Some of the most vividly colored materials in nature, including things like butterfly wings, don’t obtain their color from pigment. Instead, their internal structure reflects light at a given wavelength, producing a specific color. Opals are another example of something that utilizes this effect. In collaboration with Germany’s Fraunhofer Institute for Structural Durability and System Reliability, scientists from the University of Cambridge have now copied the colorful nanostructure of the opal. The result is a flexible, colorful material that won’t fade over time, that changes color when stretched, and that could have many applications.  Read More

A newly-developed process gives gold mines an alternative to using cyanide for extracting ...

In the gold-mining process, the precious metal is often extracted from low-grade ore in a technique known as gold cyanidation. As its name suggests, the process utilizes highly-poisonous cyanide, some of which ends up entering the environment in the mines’ tailings. That’s not so good. Scientists at Illinois’ Northwestern University, however, recently announced their discovery of a new gold recovery process that’s based on a non-toxic component of corn starch.  Read More

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