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Partilha de conhecimentos para construir ricos, vidas sustentáveis

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interessado em eficientes fogões a lenha? verifique o Wood Burning Stoves 2.0 DVD set Kickstarter de Paul Wheaton.

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Tem um dispositivo inovador médica ou e-saúde solução configurações de segmentação em desenvolvimento? ver Inovadoras Organização Mundial da Saúde dispositivos médicos e soluções de saúde em linha para poucos recursos 2013. Fecha 15 de março.

From today's featured article

Walter Lippmann in 1914
Unless the reformer can invent something which substitutes attractive virtues for attractive vices, he will fail.

Walter LippmannW

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Horsetail
The chief medicinal property of horsetail is its high silica content. The best dietary source of silica is whole grains-meaning much of our dietary silica is lost in the refining process. In addition to silica, horsetail contains large amounts of potassium as well as aconitic acid, equiaitinee, starch and many fatty acids. Horsetail is often used for mending broken bones. Our hair, skin, nails, and bones all need silica. Silica gives our cells strength, durability, and flexibility.

Think about walking outdoors on the grass. You put a lot of weight on the little blades of grass, but they spring right back up again. This is because of the high silica content in the grass. Silica enables the blades of grass to be resilient and bend, yet not be broken. Without silica, our bones would be very brittle and break easily. The same is true of hair, skin, and nails. Without enough silica in our diet, our hair can be brittle and break easily, causing split ends.

Without enough silica, our skin loses its elasticity. Without enough silica, our nails become very brittle and split. As horsetail is very, very high in silica, it feeds our hair, skin, and nails along with our bones and keep the cells in these systems strong and resilient.

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Sun Frost energy efficient shower

Conventional showers minimize thermal comfort, maximize energy use and water consumption, and exacerbating moisture problems... A solution?

Planted cattails at Millcreek greywater
Greywater, sometimes also spelled as graywater, grey water or gray water, is all of the effluent water from a household, such as water discharged from lavatories (bathroom sinks), bathtubs, showers, clothes washers, and laundry trays. Greywater is not wastewater from a sink used for food preparation, or water closet (toilet) wastewater.

The water leaving our homes carries nutrients and value. It may also contain pathogens, and/or harsh chemicals and care should be taken with it. However, it is not a great risk compared to blackwater (sewage).

Redirecting the water we use for tasks such as showering allows us to reclaim some of that value to grow plants and recharge the water table. It may be necessary to choose our soaps and detergents more carefully, if we use the greywater for watering and fertilizing plants.

Main portal: Water
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Engineering 308 (Engr 308), Technology and the Environment, is a course taught at Humboldt State University, currently by instructor Lonny Grafman.

Arcata bags

2012: Entire class partnered with Humboldt Scrap to analyze the embedded energy and carbon in various reusable and single use bags in Arcata  
Dominican Republic alternative building analysis

2011: Entire class Partnered with the Dominican community of La Yuca to compare the cost, embedded energy and carbon between three building methods  
Arcata plastic bags

2010: Entire class partnered with the City of Arcata to analyze the embedded energy and carbon in single use plastic bags in Arcata  
CCAT PV system energy analysis

2009: One team partnered with CCAT to analyze the function and energy buyback of their photovoltaic system, others teams included partnering with CCAT on Papercrete vs. StrawBale and Environmental impact of clay vs lime; with RCEA on Street lighting Analysis); and a local business on Multi-Pure vs. Brita Analysis  

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From Appropedia newest content:

  • ... that it is not known how the Paris Codex (pages pictured), one of only three surviving pre-Columbian Maya books, came to be in the collection of the Bibliothèque Imperiale in Paris in the 19th century?
  • ... that Henry Seidu Daanaa is the first blind person to be called to the Ghana Bar?
  • ... that the wheatbelt shrub Persoonia coriacea can have naturally twisted leaves?
  • ... that baseball announcer Shelby Whitfield wrote a book titled Kiss It Goodbye that helped prompt the Federal Communications Commission to investigate the ethics of sports broadcasting?
  • ... that the Muslim conquest of Sicily lasted from 827 to 902 AD?
  • ... that the Gustav Adolfs Kyrka in Liverpool was W. D. Caroe's first independent commission to design a church?
  • ... that when Charles O'Rear took a photograph of a green, lush hillside near Napa Valley, he did not expect it to be "the most viewed image of the world"?
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