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Improving the Metabolism and Sustainability of Buildings and Cities Through Integrated Rooftop Greenhouses (i-RTG)

  • David Sanjuan-Delmás
  • Pere Llorach-Massana
  • Ana Nadal
  • Esther Sanyé-Mengual
  • Anna Petit-Boix
  • Mireia Ercilla-Montserrat
  • Eva Cuerva
  • Maria Rosa Rovira
  • Alejandro Josa
  • Pere Muñoz
  • Juan Ignacio Montero
  • Xavier Gabarrell
  • Joan Rieradevall
  • Oriol Pons
Chapter
Part of the Sustainable Development and Biodiversity book series (SDEB, volume 18)

Abstract

Food security in cities is an increasing concern due to the impact of climate change and the concentration of world population in cities. Urban agriculture (UA) aims at enhancing food production in urban areas, providing potential environmental advantages by reducing food transport, packaging and waste generation. Among UA alternatives, rooftop greenhouses (RTGs) are greenhouses built on top of urban roofs, in which mainly soil-less agriculture systems are used to produce food. When RTGs are integrated into the metabolism of their buildings, they exchange CO2, energy and water to improve their performance. This alternative is called integrated RTG (i-RTG). This chapter analyses the use of i-RTGs to improve buildings and cities’ metabolism and its particular application in the area of Barcelona. This analysis aims to define a new agricultural system from a technological and sustainability approach focusing on Mediterranean cities. Our research is based on the development and results of the Fertilecity project. A particular experimental analysis was conducted at ICTA’s i-RTG lab located near Barcelona. The main factors of interest are architectural and engineering requirements, urban integration, CO2 emissions management, energy consumption, food production, social integration and rainwater harvesting. This analysis has used different methods such as life cycle assessment (LCA), life cycle costing (LCC) and semi-quantitative assessments. Multiple integrated results were obtained both at the building and city scale. For example, we proved that the i-RTG and its flow exchanges with the building could help to save heating energy, waste generation, water consumption and CO2 emissions.

Keywords

Food security Urban agriculture LCA Building metabolism Circular economy Industrial ecology 

Notes

Acknowledgements

The authors thank the Spanish Ministry of Economy and Competitiveness for awarding and funding the Fertilecity project (CTM2013-47067-C2-1-R) and (CTM2016-75772-C3-1-2-3-R) (MINECO/FEDER,UE). The authors are also grateful for the research fellowships awarded to D. Sanjuan-Delmás, P. Llorach-Massana, and M. Ercilla-Montserrat by Agaur—Generalitat de Catalunya (FI-DGR 2014, 2015, 2016); A. Petit-Boix and E. Sanyé-Mengual, by the Spanish Ministry of Education (FPU13/01273; AP2010-4044), and A. Nadal, by the National Council for Science and Technology of Mexico (CONACYT) and the Council for Science, Innovation and Technology, State of Yucatan (CONCIYTEY). Thanks to the Catalan Government for the SGR funds (2014 SGR 1412). We acknowledge the financial support from the Spanish Ministry of Economy and Competitiveness, through the ‘María de Maeztu’ programme for Units of Excellence in R&D (MDM-2015-0552).

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Copyright information

© Springer International Publishing AG, part of Springer Nature 2018

Authors and Affiliations

  • David Sanjuan-Delmás
    • 1
  • Pere Llorach-Massana
    • 1
  • Ana Nadal
    • 1
  • Esther Sanyé-Mengual
    • 2
  • Anna Petit-Boix
    • 1
  • Mireia Ercilla-Montserrat
    • 1
  • Eva Cuerva
    • 3
  • Maria Rosa Rovira
    • 1
  • Alejandro Josa
    • 4
    • 5
  • Pere Muñoz
    • 6
  • Juan Ignacio Montero
    • 6
  • Xavier Gabarrell
    • 1
    • 7
  • Joan Rieradevall
    • 1
    • 7
  • Oriol Pons
    • 8
  1. 1.Sostenipra Research Group (SGR 01412)Institute of Environmental Sciences and Technology (MDM-2015-0552), Z Building, Universitat Autònoma de Barcelona (UAB)Bellaterra, BarcelonaSpain
  2. 2.Research Centre in the Urban Environment for Agriculture and Biodiversity (ResCUE-AB), Alma Mater Studiorum University of BolognaBolognaItaly
  3. 3.Department of Construction Engineering, School of Industrial Engineering (ETSEIB)Universitat Politècnica de Catalunya (UPC-Barcelona Tech)BarcelonaSpain
  4. 4.Department of Civil and Environmental Engineering, School of Civil Engineering (ETSECCPB)Sustainability Institut (IS.UPC). Universitat Politècnica de Catalunya (UPC-Barcelona Tech)BarcelonaSpain
  5. 5.Institute for Sustainability Science and Technology (IS.UPC), Universitat Politècnica de Catalunya (UPC-BarcelonaTech)BarcelonaSpain
  6. 6.Institute of Food and Agricultural Research (IRTA)BarcelonaSpain
  7. 7.Department of ChemicalBilogical and Environmental Engineering, Universitat Autònoma de Barcelona (UAB)Bellaterra, BarcelonaSpain
  8. 8.Department of Architectural Technology, School of Architecture (ETSAB)Universitat Politècnica de Catalunya (UPC-Barcelona Tech)BarcelonaSpain

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