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Drivers of U.S. toxicological footprints trajectory 1998-2013
S C L Koh1,2, T Ibn-Mohammed1,2, A Acquaye3
1Centre for Energy, Environment and Sustainability, The University of Sheffield, Sheffield, S10 1FL, UK.
Scientific Reports
|December 22, 2016
Summary
The toxicological footprint initially rose then fell significantly due to production efficiency and economic recession. Post-2009 recovery increased this footprint, highlighting the need for technological and consumption pattern changes.
Area of Science:
- Environmental Science
- Toxicology
- Industrial Ecology
Background:
- The Toxic Release Inventory (TRI) provides data on chemical releases in the United States.
- Understanding trends in toxicological footprint (TF) is crucial for environmental management.
Purpose of the Study:
- To analyze the trends and drivers of the toxicological footprint (TF) in the US from 1998 to 2013.
- To identify factors influencing changes in toxic chemical releases.
Main Methods:
- Utilized data from the US Toxic Release Inventory (TRI).
- Analyzed temporal changes in the toxicological footprint (TF).
- Correlated TF changes with production efficiency, economic factors, and consumption patterns.
Main Results:
- TF increased by 3.3% (1998-1999) and decreased by 39% (1999-2013).
- Decreases (1999-2006) were driven by emissions intensity improvements and cleaner production.
- Economic recession (2006-2009) reduced TF; recovery (post-2009) increased it, driven by population and consumption.
Conclusions:
- Toxic chemical release dynamics are influenced by a complex interplay of technological advancements and economic/social factors.
- Future mitigation requires both improved emissions technologies and shifts in consumption patterns.
- Analysis informs environmental standards and management protocols for detoxification.
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