Founded in 1541 by the Spanish conquistador Pedro de Valdivia on indigenous settlements in the valley of the Mapocho River, Santiago is the capital and most populated city of Chile. This South American city is enframed by the Andes Mountains to the east and the Chilean Coast Range to the west, in addition to 26 island hills (cerros islas) scattered throughout the city. Some of these island hills have been converted into urban parks, such as Santa Lucía and San Cristóbal, while Chena, Calán, and Renca are in the process of expansion.
Food pyramids are familiar to all of us. They are visual guides that show us the proportions of foods that we should supposedly eat on a daily basis, in order to stay healthy. Composed of a series of layers with different food types–such as grains, flour, fats, vegetables, and others–, at the base are the foods that should be consumed in larger quantities. Towards the top, each layer becomes successively smaller, indicating the foods that are meant to be ingested rarely. The pyramid can vary according to countries and cultures, but its main purpose is always to provide a guide for a balanced life. There are no prohibitions, but it does indicate some foods that should be consumed with caution because of their impacts on our health.
If we are what we eat, is it possible to also replicate this in the construction industry and our buildings? Using this same easy to understand visual language, the Royal Danish Academy Center for Industrialized Architecture (Cinark) developed the Construction Material Pyramid. The idea was to highlight the environmental impact of the most used construction materials, focusing on the analysis of the first three life phases: extraction of raw materials, transportation and manufacturing.
Almost seven kilometers from the green of Uhuru Park in central Nairobi, lies the informal settlement of Kibera. It is an area whose urban character consists of corrugated iron roofs, mud walls, and a complicated network of utility poles. Kibera, at this point in time, is a well-known place. Much has been written and researched on this “city within a city,” from its infrastructural issues to its navigation of the COVID-19 pandemic.