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Windmillprint-crop.jpg Yes it is possible to print a windmill with a 3D printer for a fraction of the cost of manufacturing one conventionaly. Learn more about open-source 3-D printing of open source appropriate technology for sustainable development.


Covered bike racks at Fabrica La Estrella
Parras transportation gallery. There appear to be hundreds of bicycles hung on a series of covered bike racks at Fabrica La Estrella, just inside the entrance to the fabrica (factory). The bicycles are unlocked. The racks were manufactured in Torreón. Active non-motorized transportation offers benefits to its users' health, the community at large, and earth's climate. Covered bike racks, specifically, offer bicyclists greater status (as people worthy of finding a dry seat when they go to use their bike), and make bicycle parking a more emphasized part of the landscape. Improving the status of bicyclists is particularly important in Parras, as the bicycle is identified as a poor person's vehicle, and they are afforded little respect on the road. Drunk driving is rampant on weekends. It happens that on the morning of 4 June 2006, a bicyclist was run over early in the morning. In such accidents, as in this case, the driver most frequently does not stop. If covered bike racks are to truly improve the status of bicycles, however, they must be installed outside of the factory, as in this location they are intended to serve the the lower-class labor force of the factory exclusively, and are invisible to the greater community. Issues include the factory labor practices, waste water, etc. Long distance travel using bikes can be difficult. Also, bikes require frequent maintenance, whereas cars require less frequent but more costly maintenance.
Aleiha's parabolic solar cooker

A very hot (400 °F) parabolic solar cooker. Made from an reclaimed satellite dish using bicycle powered tools.

Selected quote
Every designer's dirty little secret is that they copy other designers' work. They see work they like, and they imitate it. Rather cheekily, they call this inspiration.

Aaron Russell
You can have a green Christmas.
Green living (or sustainable living) is about practical choices, large and small, to preserve the earth and have a better quality of life. It is a lifestyle that attempts to reduce an individual's or society's use of the Earth's natural resources and his or her own resources.

In order to make sustainable choices, it is very helpful to have solid, reliable information that tells us which behaviors are sustainable and which are unsustainable. In quantitative terms, which actions will make the greatest difference, and should be prioritized. Green living can be high tech (buying a hybrid vehicle), low tech (green cleaning, or completely "back to nature." It can be smart grid or off the grid. Sustainable city living explains some of the areas of action for a city dweller.

Practitioners of sustainable living often attempt to reduce their carbon footprint by altering methods of transportation, energy consumption and diet. Proponents of sustainable living aim to conduct their lives in ways that are consistent with sustainability, in natural balance and respectful of humanity's symbiotic relationship with the Earth's natural ecology and cycles. The practice and general philosophy of ecological living is highly interrelated with the overall principles of sustainable development.

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HSU Chiapas Program 2010: Humboldt State University's 2010 summer immersion in Appropriate Technology and Spanish Language & Culture took place in San Cristóbal de las Casas, Chiapas, Mexico. In 2010, we worked with Otros Mundos and various community members in San Cristobal de las Casas and near Acteal to collaboratively build three improved cookstoves, three rainwater catchment systems, windbelt prototypes, microhydro power feasibility studies, and a biogas digestor.

Practivistas Chiapas 2010 Projects
HSU Chiapas improved cookstoves
Improved cookstoves at Otros Mundos and in a rural community
(en español)  
HSU Chiapas micro hydro feasibility study
Microhydro feasibility study in a few rural communities
(en español)  
HSU Chiapas Windbelt ASE
Windbelts at Otros Mundos
(en español)  
HSU Chiapas biodigester
Biodigester at a demo house in San Cristobal  
HSU Chiapas rainwater catchment
Rainwater catchment systems at a demo house and in a rural community
(en español)  

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