Sustainability Concern Of Housing:
Emergy Storage And Flow Assessment
Author(s)
R. M. Pulselli, F. M. Pulselli, N. Marchettini & S. Bastianoni
Abstract
A city is an organized open structure made of assembled materials and buildings
that constantly interface with changeable contextual agents such as clime,
weather, solar irradiation and human beings. Urban systems feed on energy
inflows in order to achieve an organization (e.g. society, economy, architecture)
that is maintained in time. The interaction of different inputs from the
environment generates the building as a built storage in which energy and
materials have been stocked. Energy and materials inflows are required to
maintain and to use the building in time (for instance, electricity, water and gas
are needed for building use). These interaction processes between buildings and
the external environment are the focus of this study.
Is it possible to measure these processes to evaluate sustainability of urban
systems? How can the impact due to resource exploitation of housing on local
sustainability be measured? Can we evaluate the environmental effects of urban
strategies and structural plans?
An environmental accounting method, namely emergy analysis (spelled with
an ‘m’), was applied to an urban area considering the main activities of an entire
human settlement and a detailed analysis was focussed on housing: the general
environmental performances of buildings in terms of resource exploitation were
evaluated considering their construction, maintenance and use.
As a case study, an emergy analysis of the municipality of Ravenna
(north-eastern Italy) is presented with a special focus on housing and on the trend
of growth of the building industry.
Keywords: emergy analysis, housing, buildings, neighbourhoods, urban
systems, dissipative structures.
Keywords
emergy analysis, housing, buildings, neighbourhoods, urban
systems, dissipative structures.
Related Book
Other papers in this volume
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