Is concrete toxic? The effects of concrete in our cities on human health

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Is the concrete used to build cities toxic? Every so often an article appears (with little evidence) warning us of the potential dangers of living with this material, claiming that its components or manufacturing phases can be harmful for humans and the environment. But, what is the impact of concrete?

Green roofs: advantages and disadvantages of rooftop gardens

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Rooftop gardens have become increasingly popular in urban centers in recent years. This system does not mean simply installing plants in individual and removable pots, but rather a permanent facility, made with plant elements designed to form part of the building’s structure.