Contents: Preface; Geochemical Processes Controlling Fate and Transport of Arsenic in Acid Mine Drainage (AMD) and other Natural Systems; Impacts of the Mining and Smelting Activities to the Environment - Slovenian Case Studies; Treatment of Acid Mine Drainage by A Combined Chemical/Biological Column Apparatus: Mechanisms of Heavy Metal Removal; Assisted Phytoextraction for Abandoned Mining Areas Remediation; Phytochelatins in the Wild Plants from Guanajuato City - An Important Silver and Gold Mining Center in Mexico; Fate of Trace Elements in the Venice Lagoon Watershed and Conterminous...