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Bringing In The Green Roofs

10 July 2011

In college, I came across this project: Green Roofs for Buenos Aires.

Below is a project brief from the Holcim Awards 2005 website:

Type of project: Urban intervention
Start of construction: not foreseen
Principal authors:
Hugo E Gilardi, architect, Gilardi y Asociados Arquitectos, Buenos Aires, Argentina
Juan Cristobal Rautenstrauch, industrial engineer, Sociedad Bracht SA, Buenos Aires, Argentina
Raul Halac, architect, Instituto del Ambiente, University of Cordoba, Cordoba, Argentina

Project Summary: A conceptual project for a public policy to promote roof gardens (green roofs) on existing buildings in the city of Buenos Aires on a large scale.

Comment of the Holcim Awards 2005 Jury for Latin America:

The conceptual project aimed at improving urban policy is refreshingly innovative in proposing roof gardens throughout the city. Highly commended is the ambition to improve the conditions of individual buildings as well as more extensive environmental problems at a metropolitan scale.

Benefits for the buildings include a substantial improvement of the energy efficiency of housing, as well as increased comfort due to optimized thermal insulation. Benefits for the city include mitigation of urban flooding as a result of water retention as well as the reduction of heat islands due to vegetal transpiration.

At a world scale, such measures have a positive influence in that they help to reduce global warming both by minimizing the consumption of fossil energy for heating and by controlling CO2 during plant growth.

Important is that the proposal can be applied equally to existing and new buildings. A beneficial social component of the work is that is promises the potential of creating new jobs in the region for construction and maintenance, but is not necessarily limited to this context.

Not only demonstrating how the overall material quality of the city can be ameliorated, the project presents an ecologically responsible vision for large urban conglomerations.

I'm contemplating over how to bring the concept to Davao City. However, as of today, I do not have the time nor the resources and connections to do this just yet. Plus, it's going to take more research to ensure the project's success, from studying what endemic plants can be used for the rooftops to figuring out the necessary building requirements for such an endeavor. On top of this is the nagging question of how to win over property owners and building tenants to the idea.

If I can pull this off, it's going to be my legacy.

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