Tomasz Koniarz, Marek Tarnawski, Agnieszka Baran
Geochemistry indices and biotests as useful tools in the assessment of the degree of sediment contamination by metals 5

Agata Pyrda
Glacial geomorphology and Pleistocene glacier reconstruction in the Demänovská Valley, Low Tatra Mountains, Slovakia 19

Md Abdullah Salman, Md Saleh Shakeel Nomaan, Ayon Saha
An updated earthquake catalog for Bangladesh: an attempt at a seismic risk evaluation 37

Michał Kępiński, Paweł Ryder, Jacek Dudek, Daniel Podsobiński
The fluid flow modeling procedure including a critically stressed fracture analysis of coalbed methane reservoir: a case study of Upper Silesian Coal Basin, Poland 53

Radosław Jędrusiak, Monika Chuchro, Barbara Bielowicz, Agnieszka Gielar
Assessment of the stability of mercury concentrations in municipal waste using data science tools 71

Katarzyna Cygnarowska
The use of algae to remove copper and lead from industrial wastewater 85

INSTRUCTIONS FOR THE AUTHORS 95