
#2121Environmental ScienceFront Page26 December 2025
Decades of Data Map the Future of Heavy Metal Pollution Control
Researchers in Southwestern China utilized isotope dating and leaching experiments to distinguish natural background levels from human-caused contamination. The data reveals a historical spike in Cadmium and Mercury, peaking in 2009 before a fluctuating decline. High mobility in current soil samples suggests that legacy waste poses a continuing, active threat to the ecosystem.
By Zhao, Shi, Zhu, Li, Liu, Huang, Liu