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Machine-learning-based evidence and attribution mapping of 100,000 climate impact studies
Callaghan, M.; Schleussner, C.-F.; Nath, S.; Lejeune, Q.; Knutson, T.R.; Reichstein, M.; Hansen, G.; Theokritoff, E.; Andrijevic, M.; Brecha, R.J.; Hegarty, M.; Jones, C.; Lee, K.; Lucas, A.; van Maanen, N.; Menke, I.; Pfleiderer, P.; Yesil, B.; Minx, J.C. (2021). Machine-learning-based evidence and attribution mapping of 100,000 climate impact studies. Nat. Clim. Chang. 11(11): 966-972. https://dx.doi.org/10.1038/s41558-021-01168-6
In: Nature Climate Change. Nature Publishing Group: London. ISSN 1758-678X; e-ISSN 1758-6798
Peer reviewed article  
Beschikbaar in  Auteurs 
Auteurs  Top 
  • Callaghan, M.
  • Schleussner, C.-F.
  • Nath, S.
  • Lejeune, Q.
  • Knutson, T.R.
  • Reichstein, M.
  • Hansen, G.
  • Theokritoff, E.
  • Andrijevic, M.
  • Brecha, R.J.
  • Hegarty, M.
  • Jones, C.
  • Lee, K.
  • Lucas, A.
  • van Maanen, N.
  • Menke, I.
  • Pfleiderer, P.
  • Yesil, B.
  • Minx, J.C.
Abstract
    Increasing evidence suggests that climate change impacts are already observed around the world. Global environmental assessments face challenges to appraise the growing literature. Here we use the language model BERT to identify and classify studies on observed climate impacts, producing a comprehensive machine-learning-assisted evidence map. We estimate that 102,160 (64,958–164,274) publications document a broad range of observed impacts. By combining our spatially resolved database with grid-cell-level human-attributable changes in temperature and precipitation, we infer that attributable anthropogenic impacts may be occurring across 80% of the world’s land area, where 85% of the population reside. Our results reveal a substantial ‘attribution gap’ as robust levels of evidence for potentially attributable impacts are twice as prevalent in high-income than in low-income countries. While gaps remain on confidently attributabing climate impacts at the regional and sectoral level, this database illustrates the potential current impact of anthropogenic climate change across the globe.
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