Harnessing enhanced rock weathering for carbon neutrality: potential and challenges in China

This work was supported by the National Key Research and Development Program of China [grant number: 2024YFB4106302].

Datasets on global soil surface pH are available at https://daac.ornl.gov/SOILS/guides/HWSD.html; Datasets on global soil temperature are available at https://esgf-node.llnl.gov/search/cmip5/; Datasets on rainfall in China are available at https://weather.cma.cn/; Datasets on mining process are available at https://www.metso.com/; Datasets on China cropland area are available at https://www.stats.gov.cn/sj/ndsj/; Datasets on China CO₂ emission factor for electricity are available at https://www.gov.cn/lianbo/bumen/202404/content_6945445.html. Ecoinvent 3.9.1 and Tiangong database were used, too. All maps in this article use the standard base map from the Ministry of Natural Resources of the PRC (map approval no. GS(2019)1822). Projection WGS84 (EPSG:4326).