Capture Carbon in Your Home

When Cannabis grows, it captures carbon that could otherwise escape into the atmosphere. The material is stored in the walls of the house, instead of producing a greenhouse in the sky that ruins the global climate. And it doesn't stop there: hempcrete continues to absorb carbon after the house is finished. It's a revolutionary novelty in the construction sector, which is one of the main carbon emitters in the world.

To produce concrete, it is necessary to burn limestone in kilns, which emits a huge amount of greenhouse gases into the atmosphere. Producing a ton of cement releases almost a ton of carbon dioxide into the air. With each house that is built, an equivalent mass of carbon gases accumulates, worsening the climate on Earth.

Hempcrete is the opposite of this. Hemp shives are made up of carbon that the plant absorbs as it grows, during photosynthesis, cleaning the atmosphere. Basically, the idea is to build houses with this material that would otherwise accumulate in the atmosphere, suffocating us with heat. According to a life cycle analysis conducted in Belgium, 1 cubic meter of hempcrete stores no less than 76 kilograms of carbon — each kilogram of Hemp shives implies the capture of 1.83 kilograms of carbon. On top of that, the lime used to aggregate the material continues to absorb carbon after the material is manufactured, through the process of carbonation. Every hemp house in the world is a carbon drain helping to improve the climate on Earth.

Replacing common concrete with hempcrete saves as much carbon as the building would emit with air conditioning and heating over five years.