Table of Contents

Original ArticleP:1-10

Toxic elements and heavy metals concentrations in playground of elementary schools of Brandon, Manitoba, Canada
Karimzadeh-Somarin Kian* and Somarin Alireza

DOI: 10.4172/2591-7641.1000010

• Abstract
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EditorialP:11-12

Integrated hydro-economic models as a tool for the sustainable management of water resources
Zoran Nakic*

DOI: 10.4172/2591-7641.1000011

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Original ArticleP:13-19

The ²²⁶Ra, ²³²Th and ⁴⁰K contents in the Abakaliki baked shale construction materials and their potential radiological risk to public health, southeastern Nigeria
Celestine Okogbue and Mathias Nweke*

DOI: 10.4172/2591-7641.1000012

• Abstract
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Original ArticleP:20-27

Study and remediation of environmental problems caused due to the growth of algae in speleothems of calcareous caves adapted for tourism- a case of success in Spain
Rubén Esteban Pérez*

DOI: 10.4172/2591-7641.1000013

• Abstract
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Original ArticleP:29-34

Research and analysis of electromagnetic monitoring
Rahman Piriyev*

DOI: 10.4172/2591-7641.1000014

• Abstract
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