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Related Experiment Video

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Removal of Exogenous Materials from the Outer Portion of Frozen Cores to Investigate the Ancient Biological Communities Harbored Inside

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Globalization-Driven Industry Relocation Significantly Reduces Arctic PAH Contamination.

Lulu Lian¹, Tao Huang¹, Xianmin Ke^2,3

¹Key Laboratory for Environmental Pollution Prediction and Control, Gansu Province, College of Earth and Environmental Sciences, Lanzhou University, Lanzhou 730000, P. R. China.

Environmental Science & Technology

|December 15, 2021

Summary

Globalization-driven industry relocation significantly reduces Arctic polycyclic aromatic hydrocarbons (PAHs) pollution. Shifting industries away from the Arctic lowers benzo[α]pyrene (BaP) levels and deposition, benefiting polar regions.

Keywords:

Arctic PAH pollution atmospheric transport global trade industry relocation

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Published on: October 21, 2016

Area of Science:

Environmental Science
Atmospheric Chemistry
Global Trade Analysis

Background:

Globalization alters air pollutant emission sources through industry relocation.
Polycyclic Aromatic Hydrocarbons (PAHs) are significant air pollutants linked to industrial activity.
Benzo[α]pyrene (BaP) is a particularly toxic PAH congener.

Purpose of the Study:

To quantify global PAH emissions embodied in trade.
To model the impact of industry relocation on atmospheric BaP concentrations and deposition in the Arctic.
To assess the effectiveness of 'North-to-South' industry transfer in mitigating Arctic pollution.

Main Methods:

Development of global emission inventories for PAHs linked to production and consumption.
Implementation of these inventories within a global atmospheric transport model.
Simulation of spatial-temporal changes in BaP concentrations and deposition under trade scenarios.

Main Results:

Interregional trade and industry relocation significantly reduce Arctic atmospheric BaP levels and deposition.
European and North American Arctic regions show the most substantial BaP declines due to industry shifts to distant developing countries.
While Asian Arctic regions experienced minor BaP increases from relocated industries, overall Arctic contamination decreased.

Conclusions:

Industry relocation driven by globalization has led to a notable decrease in Arctic BaP pollution.
'North-to-South' industry transfer demonstrates potential for substantial reductions in trade-related Arctic contamination.
Policy implications exist for managing transboundary air pollution through strategic industrial siting.