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MOST-reprap-sliced.jpg Win a free 3-D printer for sharing your designs for 3-D printable open source appropriate technologies in the 3-D Printers for Peace Design Contest Deadline 1 Sept, 2013
Sludgecontest.jpg As part of the Emergency Sanitation Project, the International Federation of Red Cross and Red Crescent Societies announce a student emergency sanitation design project. Deadline 3 March 2014
There are four basic Hexayurt sizes which cover a variety of needs.
What is it? The Hexayurt is a refugee shelter system based on work done at the Rocky Mountain Institute. It uses an approach based on "autonomous building" to provide not just a shelter, but a comprehensive family support unit which includes drinking water purification, composting toilets, fuel-efficient stoves and solar electric lighting. Other systems can be added in a modular fashion.

Is this for real? Yes. Both the American Red Cross and the US Department of Defense have examined the Hexayurt system in detail and found that it has considerable merit and utility. I hope that we will see it in use by international agencies within two years. The best place to get started is to read the slides from the presentation Vinay Gupta gave at the Pentagon in December 2006: Pentagon Presentation (pdf) - 20 pages, not much text, and the best summary of the system we currently have online.

Parabolic basket and tin can solar cooker

Creating a solar cooker out of local invasive species and waste materials in order to pasteurize water and be an alternative to the use of fossil fuels for cooking food.

Rachel Carson
The human race is challenged more than ever before to demonstrate our mastery, not over nature but of ourselves.

Bicycle wheel
Transport. According to the Appropriate transport manual, sustainable transportation is a strategy for the flow of people and goods across the Earth that meets the needs of the present without compromising the ability of future generations to meet their own needs. Transportation accounted for 32.6% of US green house gas emissions in 2005. In addition to the widely publicized environmental consequences of driving automobiles, it is also socially and economically costly:
  • Land use: Parking and roads use valuable land resources.
  • Transportation equity: Driving, with all of its expenses, costs the average U.S. household $7,000 per year per vehicle.
  • Economics: Most of the money spent on driving leaves a local economy, weakening it.
  • Community: Travelers outside of their cars interact more with their physical environment and each other.
  • Safety: The presence of pedestrians and cyclists make our neighborhoods safer from crime. Conversely, 42,000 Americans are killed in car accidents every year.
  • Health: Increasingly, Americans are suffering from weight-related illnesses. This is partly attributable to the decline in active transportation use and availability.

Building and encouraging alternatives to the single-occupant vehicle, or, for short "alternative transportation," is imperative. Some alternative transportation advocates have taken to using the term, sustainable transportation, instead of the previous, widely-used "alternative transportation" term to avoid sidelining their interest from the mainstream.

Many efficient, practical, and inexpensive sustainable transportation technologies already exist, meaning activism, policy work, and planning research is most often more crucial to developing sustainable transportation than technology development.

edit  watch  Selected service learning Projects gallery (refresh)

ENGR 215 Introduction to Design projects – Fall 2011: Flock House: The Fall 2011 semester of ENGR215 Introduction to Design worked with the Flock House to research, design, and build sustainable and inspiring systems for two living systems that will be traveling through and interacting with various New York neighborhoods.

Fall 2011 ENGR 215 Intro to Design Projects - Flock House
Plastic Plumage and Bird Cage
 Corrugated plastic shell and one gallon milk carton shingles  
Aluminum Awareness
 Aluminum can shingles and 2-liter bottle windows  
Poly Pod
 Doors, windows, and planters made from ironed plastic bags and bubble-wrap, with umbrella awnings  
Geared-Up From the Feet-Up
 Bicycle powered generator capable of generating 100+ Watts  
Pump'n Power
 A handcar styled, two person, human powered, energy generator  
Hyper Visible Power Meter
 A post-apocalyptic, bomb-like, display for the state of the Flock House batteries  
Window Shopper and Back Me Up
 Flock House solar dehydrator and backpack solar dehydrator  

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