Dr. Muhammad Zahir is a faculty member in the Department of Chemistry at COMSATS University Islamabad, Pakistan, and a research affiliate of the Centre for Climate Research and Development (CCRD). He earned his PhD in Environmental Chemistry from Fujian Normal University, China. His research focuses on remote sensing and GIS applications in environmental monitoring, harmful algal blooms, water quality assessment, phytoplankton ecology, and climate change impacts on freshwater and coastal systems. Dr. Zahir has contributed to several international research projects supported by organizations such as NASA, the Swiss Development Cooperation, and the D-8 Organization. He has published extensively in peer-reviewed journals, including Environmental Geochemistry and Health, Ecohydrology, Aquaculture, and Sustainability.