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Intelligence and its effects on environmental decline: A worldwide analysis.

Kazeem B Ajide1, Olorunfemi Y Alimi2, Simplice A Asongu3

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Higher intelligence quotient (IQ) correlates with increased carbon emissions and ecological demand, challenging assumptions about cognitive abilities and environmental stewardship. Fostering a "delay discounting culture" is crucial for effective environmental policy and sustainability.

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Carbon emissionEKCHuman capitalIntelligence quotientOutputPopulationWorld

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Area of Science:

  • Environmental Science
  • Economics
  • Psychology

Background:

  • The relationship between cognitive abilities and environmental impact remains underexplored.
  • Understanding how intelligence quotient (IQ) influences environmental degradation is critical for policy development.

Purpose of the Study:

  • To investigate the association between IQ and environmental indicators like carbon emissions and ecological demand.
  • To analyze the Environmental Kuznets Curve (EKC) hypothesis in relation to IQ and environmental quality.
  • To inform environmental policy and stewardship through empirical evidence.

Main Methods:

  • Statistical analysis of data from 147 nations (2000-2017).
  • Application of Ordinary Least Squares (OLS), Two Stage Least Squares (2SLS), and Iteratively Weighted Least Squares (IWLS).
  • Control for relevant variables influencing environmental outcomes.

Main Results:

  • An unexpected positive correlation was found between IQ and carbon emissions.
  • A similar positive association was observed between IQ and ecological demand.
  • The Environmental Kuznets Curve (EKC) hypothesis showed variations across different pollutants, influenced by governance and international agreements.

Conclusions:

  • Human intelligence may be linked to higher environmental impact, contrary to some expectations.
  • Governance and international cooperation are key factors in mitigating emissions.
  • Adopting a "delay discounting culture" is recommended for effective environmental problem-solving and achieving sustainability goals.