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Articles on savannas

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The grasslands of South Africa’s Kruger National Park, where the study took place. Courtesy Kimberley Simpson.

October 1, 2026

Rising CO₂ is making African savanna grasses grow more – what this means for grazing, fire and carbon storage

Kimberley Simpson, University of Sheffield

New research in the Kruger National Park has found that rising CO₂ in the atmosphere helps savanna grasses grow when less water is available.

Cattle emit a lot of methane, but they also provide livelihoods and environmental services. Getty Images

April 3, 2024

Africa now emits as much carbon as it stores: landmark new study

Yolandi Ernst, University of the Witwatersrand and Sally Archibald, University of the Witwatersrand

Knowing which parts of Africa best help to store carbon means funding and policy efforts can be directed to protecting and increasing this carbon ‘land sink’.

The evolutionary loss of body hair made it easier for human ancestors to hunt in the heat. Marco Anson

January 25, 2023

Large mammals shaped the evolution of humans: here’s why it happened in Africa

Norman Owen-Smith, University of the Witwatersrand

Africa’s large mammal heritage has formed a deep cultural legacy for all of humankind.

Top contributors

Norman Owen-Smith
Emeritus Research Professor of African Ecology, University of the Witwatersrand
Yolandi Ernst
Researcher in Systems Ecology, University of the Witwatersrand
Sally Archibald
Professor of Ecology, University of the Witwatersrand
Kimberley Simpson
Research Fellow, School of Biosciences, University of Sheffield

Articles on savannas

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