Summary
This systematic review examines the innovation literature on negative emissions technologies (NETs) using a reproducible coding framework aligned with sequential innovation stages. The authors find that 59% of NET articles focus on early-stage R&D, with 83% of all literature emphasising supply-side innovation over demand-side factors such as public acceptance and policy risk management. The review highlights a critical temporal mismatch: whilst integrated assessment models project major NET deployment between 2030 and 2050, the innovation literature and policy frameworks do not reflect the urgency required for scaling these technologies to planetary scale.
UK applicability
The findings are relevant to UK climate policy and innovation strategy, as the UK is a signatory to the Paris Agreement and relies on NET deployment assumptions in its net-zero pathway. The review's observation that demand-side factors (public acceptance, policy risk, heterogeneous user appeal) are underrepresented in the literature has direct implications for UK governance frameworks and public engagement strategies around NET implementation.
Key measures
Proportion of articles by innovation stage (R&D, demonstrations, scale-up, demand pull, niche markets, public acceptance); share of supply-side versus demand-side literature; temporal deployment projections from integrated assessment models for 1.5°C and 2°C scenarios
Outcomes reported
The study systematically reviewed and coded literature on innovation and upscaling for negative emissions technologies (NETs) across different stages of the innovation process. It assessed the distribution of research effort across supply-side versus demand-side innovation factors and identified gaps relative to climate mitigation timelines.
Topic tags
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