Nature, Published online: 19 August 2026; doi:10. 1038/s41586-026-10935-4 By combining a meta-analysis of CO2 enrichment experiments with three decades of southern African savanna observations, an increase in biomass production by C4 grasses under rising CO2 levels in water-limited environments i...
Source: [Nature](https://www.nature.com/articles/s41586-026-10935-4)