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This research clearly illustrates that America's urban forests are critical capital investments helping produce clear air and water; reduce energy costs; and, making cities more livable. Simply put, our urban forests improve people's lives.

The project uses the frame of a 1950s building as a shell in which to build its experimental space. Over the past five years, this formerly vacant building has been repurposed and extended with minimal costs for materials. Professor Bernd Kniess, dean of Hafencity University's urban design department, is primarily concerned with questions of sustainability, renewal and repurposing in urban space. How to transform the existing? How can the new emerge from the old? Both the building itself and the city around it are employed as resources. Every piece of the building that is removed in the remodeling is then redeployed with a new function elsewhere. Discarded materials from surrounding construction sites are harvested and upcycled at the UdN. This patchwork process requires those engaged in the reconstruction to deal with building's structure as it was found, to develop new courses of action and productively channel uncertainty and risk. In this situation, sustainability does not rest solely on the objects used. Most importantly, it is fostered by relationships-by the neighborhood.

Vegetated assemblies can improve a roofing system's energy efficiency. The plants and growing medium can reduce the cooling energy need in the summer through shading, insulation, evaporative cooling, and thermal mass. They can reduce the surface temperature and mitigate the urban heat island effect. Green roofs also promote infiltration and reduce runoff, lessening the burden on stormwater infrastructure. Additionally, they add amenity space and improve biodiversity in the urban areas, making Canadian cities more livable.

Buen material para un paso a paso de Cubiertas Vegetales, prácticamente sólo habría que traducir

Based on a study of local terrain, they've started building garden plots for fresh produce to help reduce the burden of an extremely high cost of living.

Pequeñas miniviviendas prefabricadas que los canadienses añaden en su jardín para alquilar y tener unos ingresos extra.

As a series we've covered a number of urban farms, it's a subject that's near and dear to our hearts as urbanites. Farms in the city, and particularly rooftop farms seem to be an obvious way to make positive change in our food systems. For that reason we wanted to see what two iconic Chinese cities had to offer. We found a burgeoning new movement with two charismatic folks at the forefront. Meet our farmers from Beijing and Hong Kong.

This journal is addressed to a multidisciplinar public: architects, engineers, geographers, economists, sociologists, environmentalists, and in general the urban and real-state experts.

"Aside from being a definite eyesore because of their large blades and causing birds in flight to succumb to them, modern day wind turbines cause tremendous hazard to our ethical and natural environment. Wind turbines require large areas and optimum locations with its moving segments. Netherlands researchers and architectural firm Mecanoo, however, have attempted to upgrade the existing wind power generators by suggesting a bladeless wind turbine design."

d la lista de correo de la red de casasdepaja  Hola Rikki; en nuestra ciudad se esta armando el primer barriointercultural ( mapuches y no mapuches) del paísparte del grupo están planteando hacer sus casas con permacultura,es una experiencia de organización muy interesante y tiene como objetivoque la gente tenga sus casas.te dejo la pagina del proyectohttp://www.barriointercultural.com.ar/sitio.phpsi te interesa, podemos visitar el lugar y conocer a parte del grupo.Y si necesitas te podes quedar en casa! estamos de camino al bolsón, ensan martín de los andes.Ya nos comentas!!!casi que nos vemos!un abrazo silvana