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Title: Linking models of human behaviour and climate alters projected climate change

Journal Article · · Nature Climate Change
ORCiD logo [1];  [2];  [3];  [2];  [4];  [5];  [6];  [2];  [7];  [1];  [8]; ORCiD logo [9]
  1. Univ. of Vermont, Burlington, VT (United States)
  2. Univ. of Tennessee, Knoxville, TN (United States)
  3. Rhode Island College, Providence, RI (United States)
  4. The State Univ. of New York at Buffalo, Buffalo, NY (United States)
  5. Dartmouth College, Hanover, NH (United States)
  6. Utah State Univ., Logan, UT (United States)
  7. Climate Interactive, Belmont, MA (United States)
  8. Arizona State Univ., Tempe, AZ (United States)
  9. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)

Although not considered in climate models, perceived risk stemming from extreme climate events may induce behavioural changes that alter greenhouse gas emissions. Here, we link the C-ROADS climate model to a social model of behavioural change to examine how interactions between perceived risk and emissions behaviour influence projected climate change. Our coupled climate and social model resulted in a global temperature change ranging from 3.4–6.2 °C by 2100 compared with 4.9 °C for the C-ROADS model alone, and led to behavioural uncertainty that was of a similar magnitude to physical uncertainty (2.8 °C versus 3.5 °C). Model components with the largest influence on temperature were the functional form of response to extreme events, interaction of perceived behavioural control with perceived social norms, and behaviours leading to sustained emissions reductions. Lastly, our results suggest that policies emphasizing the appropriate attribution of extreme events to climate change and infrastructural mitigation may reduce climate change the most.

Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Biological and Environmental Research (BER)
Grant/Contract Number:
AC05-00OR22725
OSTI ID:
1415910
Journal Information:
Nature Climate Change, Vol. 8, Issue 1; ISSN 1758-678X
Publisher:
Nature Publishing GroupCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 88 works
Citation information provided by
Web of Science

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Cited By (12)

Isotopic composition of precipitation during strong El Niño–Southern Oscillation events in the Southeast Region of Brazil journal December 2018
Integrating human behavior dynamics into drought risk assessment—A sociohydrologic, agent‐based approach journal April 2019
The dangers of disaster-driven responses to climate change journal June 2018
The many possible climates from the Paris Agreement’s aim of 1.5 °C warming journal June 2018
Modelling the drivers of a widespread shift to sustainable diets journal July 2019
Modelling diet choices journal August 2019
Economic carbon cycle feedbacks may offset additional warming from natural feedbacks journal December 2018
Integrated human-earth system modeling—state of the science and future directions journal June 2018
How will climate change shape climate opinion? journal October 2019
Risk of a feedback loop between climatic warming and human mobility journal September 2019
On deeper human dimensions in Earth system analysis and modelling journal January 2018
Increasing Temperature and Microplastic Fibers Jointly Influence Soil Aggregation by Saprobic Fungi journal September 2019

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