How costly is mining pollution for African agriculture? Our new paper finds that downstream water pollution lowers vegetation health by 1.3–1.5%, immediately affecting over 74,000 km² of croplands. We exploit a discontinuity in directed river networks for identification. doi.org/10.1016/j.jd...

Where are mining sites actually expanding? Our new paper uses a ML model and satellite imagery to track 147k+ tropical mining sites from 2016–2024. Footprints of these sites grew by 24%, with major expansion in the Amazon, Indonesia & West Africa. doi.org/10.1038/s418...