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The “karma” of impact on the Earth: will humans take responsibility? Evidence of energy consumption and CO2 emissions

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Abstract

Energy consumption and CO2 emissions are agreed as the main causes of global warming and climate change, which are causing several extreme weather events in recent decades. However, there is little understanding how humans adjust their behaviours in energy consumption and emissions in responding to these natural threats. This study aims to examine the influences of exposure, susceptibility, and vulnerability to five natural hazards on CO2 emissions, energy intensity, renewable energy, and electricity consumption. The feasible generalized least squares model and several panel estimates are applied for a global sample of 161 countries from 2011 to 2018. The empirical results provide interesting findings. First, exposure, susceptibility, and vulnerability appear to reduce electricity usage, renewable energy consumption, energy intensity, and CO2 emissions in the global sample. Second, the negative effects of exposure, susceptibility, and vulnerability are consistent across four income groups (high-income; upper-middle-income; lower-middle-income; and low-income) except for some interesting differences. Exposure appears to increase renewable energy consumption significantly in upper-middle and high-income, while susceptibility has a significant positive influence on renewable energy consumption in low-, upper-middle, and high-income. Third, the negative impact is also documented in seven regions, with the exception of some interesting findings: threats from nature appear to increase CO2 emissions and energy intensity in the Middle East and North Africa, South Asia, and Europe and Central Asia, while they stimulate the use of renewable energy in Latin America and Caribbean. Interestingly, exposure and susceptibility appear to induce renewable energy transformation in Europe and Central Asia.

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Fig. 1

Source: US International Energy Administration

Fig. 2

Source: US International Energy Administration

Fig. 3

Source: US International Energy Administration

Fig. 4

Source: The WorldRiskIndex

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Notes

  1. Due to data the availability from the US International Energy Administration. Further detail is explained in the data section.

  2. Susceptibility to natural hazards is the likelihood of suffering harm. Vulnerability to natural hazards means susceptibility, lacking capabilities to reduce the negative consequences of natural hazards, and lacking capabilities for long-term strategies for societal change (World Risk Index report, 2020).

  3. In other words, economic development and environmental quality have a U-shaped relationship.

  4. Most studies use CO2 emissions per capita to exclude the population from assessing impact. It is also important to evaluate the intensity of CO2 emissions (in per capita form).

  5. We are thankful to a helpful comment from an anonymous reviewer on this point.

  6. It is worthy to notice that natural threats might affect on economic development, which then impacts on energy consumption and CO2 emissions. This implies that there may be multicollinearity between natural threats with income variable in our model. We have checked the multicollinearity by variance inflation factors (VIFs) for each proxy of natural threats before main estimates. The results show less probability of multicollinearity among variables. We are thankful to the comment and helpful suggestion for an anonymous reviewer.

  7. All results are consistent. To save space of the manuscript, we do not report here. The results can be provided upon request.

  8. See https://www.irena.org/publications/2021/Nov/IRENA-Energy-Transition-Support-to-Strengthen-Climate-Action.

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Funding

The study is funded by the University of Economics Ho Chi Minh City, Vietnam.

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This study is written entirely by Canh Phuc Nguyen.

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Correspondence to Canh Phuc Nguyen.

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The data is provided by corresponding author under reasonable requests.

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The author declares no competing interests.

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Responsible Editor: Roula Inglesi-Lotz

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Nguyen, C.P. The “karma” of impact on the Earth: will humans take responsibility? Evidence of energy consumption and CO2 emissions. Environ Sci Pollut Res 29, 50686–50703 (2022). https://doi.org/10.1007/s11356-022-19461-y

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  • DOI: https://doi.org/10.1007/s11356-022-19461-y

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