The 4 per 1000 initiative

Have you ever heard of the 4 per mille initiative? It suggests that slightly increasing soil carbon each year could help reduce greenhouse gas emissions. While soils have natural limits, this initiative has sparked widespread attention to the potential role of soil management in climate adaptation and mitigation.

For an introduction, watch this video (~3 min) or read Minasny et al. (2017). For a critical review of practical constraints, see Amundson & Biardeau (2018).