1 of 1
Story summary
- Kimberley Simpson and her team found rising CO2 boosted savanna grass growth in Kruger National Park.
- Grass production increased 28 percent between 1989 and 2021.
- Higher CO2 improved water-use efficiency, allowing grasses to grow during dry periods.
- Models project CO2-driven growth will continue through the 21st century despite warming.
- More grass could raise wildfire fuel loads and reshape wildlife habitats.
