Volume 15  Number 2 (2020)

CONTENTS

Environmental Inpact of Open PIT Mining: Case of Bauxite Mining in Guinea -- A Review --
pp. 167-177
Mohamed Keita and Oumar Traore

Variability in the Granulometric Characteristic of a Tropical River-Estuary-Near Shore Ecosystem from its Source to Sink, Southwest Coast of India
pp. 179-197
Krishna R Prasad, Arun T.J, Limisha A.T, Aneesh T.D, Abhilasha A.M and Reji Srinivas

Multivariable Feedback Control for the Urban Wastewater System
Kai Zhang and Kai Zhang

An Assessment of Surface and Ground Water Quality of Some Selected Locations in Guwahati
Lifei Wei, Xiangxue Li, Xiangxue Li and Haifeng Qian

Environmental Impact on the Mangroves of the Municipality of Tecpan De Galeana, Guerrero, Mexico
Jiexin Zhang, Peidong Zhu, Xinwen Jiang and Jinwoo Kim

Executive Order 009 to End Open Defecation in Nigeria by 2025: A Review of Implications
Chung G. Kang