Knowledge for better food systems

Land-based negative emissions technologies

Image: Tony Atkin, Path Through Miscanthus, Geograph, Creative Commons Attribution-ShareAlike 2.0 Generic

The Hoffmann Centre at UK think tank Chatham House has produced a summary of a workshop held in January 2018 on policy implications of widespread deployment of negative emissions technologies. The workshop concluded that bioenergy with carbon capture and storage (BECCS) cannot be used at the scale assumed in emissions pathways compliant with the Paris agreement, because it would cause large land use change in regions of high biodiversity and compete with food production for land. Nevertheless, some BECCS may be needed. Direct air capture would use less land than BECCS, but there are economic and technical barriers.​

Read the full summary here. See also the Foodsource building block What is land use and land use change?

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