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University of Copenhagen

Climate love

Rock "flour" from Greenland could capture significant CO2!

According to a new study, rock “flour” produced by the grinding under Greenland’s glaciers can capture significant CO2 when spread on farm fields.
They estimated that 250kg of CO2 can be trapped per tonne of rock flour. The scientists also calculated that 27m tonnes of CO2 could be captured if all farmland in Denmark was spread with the rock flour, an amount similar to the country’s total annual CO2 emissions!
What's even better is that the potential supply of rock flour is almost unlimited, and removing some would have very little effect on the local environment.
And this will not only help the fight against climate change but can also have significant (positive) impacts on agriculture and soil fertility! According to another study, this could lead to an increase in yields of maize and potatoes of 24% and 19% respectively after rock flour was spread in Denmark.

Photo by Minik Rosing
Photo by Minik Rosing

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  • Darrell Prince`

    55 w

    A nice thing, part of optimizing but not really scalable. The US, per capita injects 250 kg per day for every 10 of its citizens

    • Joseph Githinji

      55 w

      Great ideas towards decorbonizing the environment m

    • Tabitha Kimani

      55 w

      This is the kind of new we long to hear from the amazing scientists. Ways to decarbonize should be explored to the fullest.

      • Daniel Waweru

        55 w

        This can be a good way of decarbonizing the environment. Looking forward to see how far this can go

      • Munene Mugambi

        55 w

        I'd like to see this rolled out for practicality purposes

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