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Journal Article

Attention and positive sentiments towards carbon dioxide removal have grown on social media over the past decade

Authors

Repke,  Tim
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Müller-Hansen,  Finn
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Cox,  Emily
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Minx,  Jan C.
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Citation

Repke, T., Müller-Hansen, F., Cox, E., Minx, J. C. (2024): Attention and positive sentiments towards carbon dioxide removal have grown on social media over the past decade. - Communications Earth & Environment, 5, 763.
https://doi.org/10.1038/s43247-024-01914-6


Cite as: https://publications.pik-potsdam.de/pubman/item/item_31817
Abstract
Scaling up CO2 removal is crucial to achieve net-zero targets and limit global warming. To engage with publics and ensure a social licence to deploy large-scale carbon dioxide removal (CDR), better understanding of public perceptions of these technologies is necessary. Here, we analyse attention and sentiments towards ten CDR methods using Twitter data from 2010 to 2022. Attention towards CDR has grown exponentially, particularly in recent years. Overall, the discourse on CDR has become more positive, except for BECCS. Conventional CDR methods are the most discussed and receive more positive sentiments. Various types of users engage with CDR on Twitter to different degrees: While users posting little about CDR pay more attention to methods with biological sinks, frequently engaged users focus more on novel CDR methods. Our results complement survey studies by showing how awareness grows and perceptions change over time.