Between Housing Demand and Environmental Goals: Alejandro Aravena on Incremental Solutions and Net-Zero Concrete
Briefly

At the Time Space Existence exhibition in Venice, architect Alejandro Aravena and his firm ELEMENTAL showcased the USB Core, a prototype for incremental housing solutions. Developed in collaboration with Holcim, this project features a new net-zero concrete mix and uses fully recycled aggregates, adhering to circular economy principles. During an interview, Aravena discussed the vital balance between housing needs and environmental protection, emphasizing the architect's role in harmonizing these priorities. The incorporation of biochar into the concrete significantly cuts carbon emissions, illustrating an innovative approach to sustainable housing for at-risk communities.
The USB Core housing prototype aims to efficiently provide essential services to at-risk communities without harming the planet, demonstrating a new approach to incremental housing.
This project combines a new type of net-zero concrete mix with fully recycled aggregates, representing a cost-effective solution that aligns with circular economy principles.
Aravena highlights the architectural role as coordinating the process between various stakeholders, emphasizing the urgent need for housing alongside environmental protection.
The innovation of incorporating biochar in the concrete mix reduces carbon emissions significantly, sequestering CO2 and proving that housing development can be environmentally sound.
Read at ArchDaily
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