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Investing in negative emissions

Methods of removing CO2 from the atmosphere add vital flexibility to efforts to tackle climate change. They must be brought into mainstream climate policy as soon as possible to open up the landscape for innovation and development, and to discover which approaches work at scale.

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Figure 1: Schematic diagram showing the Technology Readiness Levels (TRLs) of key science and technology components relevant to leading GGR approaches of afforestation, BECCS, biochar (from biomass pyrolysis) and direct air capture, according to the authors' assessment.


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Correspondence to Guy Lomax.

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Lomax, G., Lenton, T., Adeosun, A. et al. Investing in negative emissions. Nature Clim Change 5, 498–500 (2015).

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