ZeroEx

ZeroEx (https://zeroex.com/en) is field-testing ERW in western Germany to assess the natural sink for carbon dioxide via silicate rock weathering. In ZeroEx’s case, crushed silicate rock similar to basalt (available from local mines) is spread over agricultural lands, which also enhances soil fertility. While ZeroEx operates within stringent EU guidelines, the environmental risks of ERW more generally are poorly understood. ZeroEx will use the grant for a 3-year field trial to investigate any potentially toxic elements (PTE) resulting in plants, soil, and leachate samples. It will work closely with EIA experts who will independently assess the risks, if any, of PTEs from ZeroEx’s operations. The EIA will enable the safe deployment of ERW locally and, through publications of ZeroEx’s analyses, it could help guide ERW globally.

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