The secret ingredient in Paris' green public housing

Paris Habitat, the city’s main social housing agency, used hempcrete — a concrete-like mixture of hemp, lime, and water — as insulation in one of its apartment complexes. This material helps maintain temperature and reduces a building’s energy use and greenhouse gas emissions. The cost of using hempcrete can be expensive but making the material is more environmentally friendly, and has shown that it can be implemented for affordable housing and not just for those who already have the means to pay for it.

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