Climate idea


Climate idea

How hemp became a surprise climate solution as a building material

The potential for hemp (a strain of Cannabis sativa) as a building material has been known for centuries, because it is a material that combines fast cultivation with strength. But more recently its ability to capture more than twice its own weight in carbon – twice as fast as traditional forestry – has come into focus.
Last summer, Kühl, who is part of a Columbia University initiative, completed two cottages on a farm in upstate New York using hempcrete in their construction. “This material is almost carbon-negative,” he said. “Hemp was only legalised in 2018, there’s an enormous growth potential in the US for hemp fibre used for building and insulation.”
Most recently, Tao Climate, a company that uses cutting-edge technology to grow hemp at scale, announced a partnership with Ukraine’s Hemp Technology to use hempcrete for housing for 170 internally displaced people and war orphans in Lviv. The project, a finalist entry in Elon Musk’s XPRIZE for carbon removal is estimated to remove more than 1,000 tonnes of CO2.
The cement industry is responsible for about 8% of planet-warming carbon dioxide emissions. Can hemp change the status quo?
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  • George Kariuki

    8 w

    The potential of hemp as a climate-friendly building material is significant, we certainly need to look into it.

    • Lucinda Ramsay

      8 w

      Hemp is not the same as marijuana (Cannabis that drug users smoke) Hemp should not be considered the same - Governments should know this. Hemp is a versatile easy to grow crop which also has highly nutritious seeds.

      • Felix mokaya

        8 w

        I have always know that cannabis sativa has no importance and it is illegal in my country .It is great to hear that it is carbon free and that it is good for our environment

        • Chris Ndungu

          9 w

          This is awesome even though Cannabis Sativa is illegal, we can still see what it can do when use well.

          • Kevin

            9 w

            The hemp plant sure does have many uses

            • Boniface Kuria

              9 w

              This is interesting. I don't have much to say about this because Cannabis sativa is still illegal in my country and a controversial topic

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