AI Summary

A new study in Nature Climate Change estimates that EU cities would need to remove about 61 million tonnes of CO₂—roughly the amount Austria emits annually—to offset one‑fifth of their emissions through carbon removal. The analysis, led by the European Commission’s Joint Research Centre with researchers from the Potsdam Institute for Climate Impact Research, finds that most residual emissions stem from energy and transport sectors, accounting for median shares of 50 % and 31 % respectively. The authors warn that relying on removal may prioritize cost and speed over deeper, transformative mitigation, raising concerns about the feasibility of current urban strategies and timelines.

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