1. Introduction and Weathering.-
2. Dimensions of Global Mining Waste Generation and Water Use.-
3. Toward a Sustainable Metals Extraction Technology.-
4. Waste Management: A brief history and the present state.-
5. Constructed wetlands and the ecology of extreme ecosystems.-
6. Ecological Engineering Tools in Extreme Ecosystems.-
7. Biological Polishing Tool: Element Removal in the Water Column.-
8. The biofilm generation tool and sulphate oxidation.-
9. R&D Field Applications.-
10. The Way forward.
Margarete Kalin-Seidenfaden is a Senior Ecologist (ESA) and Qualified Environmental Professional (QEP), with two prestigious awards from the Canadian Institute of Mining (CIM). She has served on the editorial board the Journal Ecological Engineering and as a reviewer of many environmental journals. In 2020 she was awarded with an honorary PhD from Laurentian University, Sudbury Ontario Canada. Margarete is the president and managing Director of Boojum Research Ltd, Canada.