New study shows Africa’s rainforests now release more CO₂ than they absorb

A recent study finds Africa’s forests now emit more carbon than they absorb (Image: University of Leicester)

A new study reveals Africa’s forests are losing carbon rapidly. From 2010 onwards, deforestation and degradation reversed previous gains. The findings have serious implications for climate change mitigation efforts.

Carbon Losses Exceed Gains

Researchers found forests lost about 106 billion kilograms of biomass yearly. Tropical moist broadleaf forests suffered the largest declines across regions. Savanna and shrub gains were insufficient to offset these losses. The net effect turned Africa’s forests from carbon sinks to sources.

Satellite Data Reveals the Trend

Scientists combined laser, radar and satellite measurements with machine learning. They mapped biomass changes across Africa with unprecedented accuracy today. Ground observations helped validate remote sensing and ensure reliability of results. The data highlighted regions most affected by forest loss and degradation.

Major Impact Zones

The Congo Basin, West Africa and Madagascar saw significant forest decline. Logging, land clearing and agricultural expansion drove the majority of losses. Some regions still absorbed carbon, but overall continental trends remained negative. The pattern signals urgent need for forest conservation and management measures.

Consequences for Climate

Forests previously helped remove CO₂ from the atmosphere efficiently. Their shift to carbon sources undermines global climate change targets today. The study stresses importance of immediate action to reduce emissions. Restoring forests could help return Africa’s landscapes to net carbon sinks.

Next Steps for Researchers

Scientists plan to monitor forests continuously using advanced satellite technology. They aim to identify high-risk areas before losses accelerate further. Research may inform policies targeting sustainable land use and reforestation. Africa’s forests remain vital for carbon balance and climate stability.