An image showing a front loader putting crushed basalt into a spreader behind a tractor, in a crop field.

UK Enhanced Rock Weathering GGR Demonstrator

Enhanced rock weathering (ERW): investigating the utility of crushed silicate rock on farmland to remove the greenhouse gas carbon dioxide (CO2) from the atmosphere and improve UK food and soil security.

UK ERW GGR Demonstrator logo, featuring a circular blue arrow arising from a pile of crushed rocks and returning to earth amidst crops and grassland.
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Image showing samples of glass test tubes at a field site
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Sugar beet at a farm in South East England, cultivated with basalt
Sugar beet at a farm in South East England, cultivated with basalt
25 April 2022

Crushed rocks on UK farmland could absorb up to 45% of the atmospheric CO2 needed for net zero targets

Adding rock dust to UK agricultural soils could absorb up to 45 per cent of the atmospheric carbon dioxide needed to reach net zero, according to a major new study led by scientists at the University of Sheffield.