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Nearly Zero Energy Building: necessità, criticità, opportunità | Nearly Zero Energy Building: needs, problems, opportunities

Authors: TUCCI, Fabrizio;

Nearly Zero Energy Building: necessità, criticità, opportunità | Nearly Zero Energy Building: needs, problems, opportunities

Abstract

Energia e Ambiente rappresentano due importanti temi con cui l’Architettura e il mondo delle costruzioni ha iniziato a confrontarsi negli ultimi due decenni, essendo il settore dell’edilizia responsabile del 36% del consumo energetico globale e del 39% delle emissioni di CO2 (UN Environment, 2018; Grafico 1). Nonostante la crisi economica globale dell’ultimo decennio, il settore delle costruzioni è cresciuto a ritmi senza precedenti e continuerà a farlo nei prossimi 40 anni, realizzando circa 230 miliardi di metri quadrati ogni anno, superficie equivalente a 52 volte la città di Parigi. Questa la premessa dell’autorevole Global Status Report 2017 delle Nazioni Unite (UN Environment, 2017) che prosegue poi con i dati sulla crescita dell’uso di energia negli edifici, passata dai 119 EJ del 2010 ai 125 EJ del 2017 (Grafico 2), con quelli sull’uso di combustibili fossili – rimasto pressoché costante nello stesso periodo a circa 45 EJ – e con quelli sulle emissioni di carbonio, aumentate da 3,1 Giga tonnellate (Gt) di CO2 del 2010 a circa 3,7 Gt di CO2 del 2017. E se l’efficienza energetica degli edifici negli ultimi anni è migliorata costantemente a un ritmo medio dell’1,5% annuo, la domanda di energia finale è aumentata di 5 EJ mentre la superficie costruita è cresciuta di circa il 2,3% annuo, vanificando gli sforzi del settore delle costruzioni per contrastare il surriscaldamento globale (IEA, 2017).

Country
Italy
Related Organizations
Keywords

Nearly Zero Energy Building, Efficienza energetica, Ricerca e Sperimentazione, Energie Rinnovabili

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
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