Dr. Surendra Roy

Population Growth, Climate Change and Global Warming

Noise Pollution – Sources, Effects & Control Measures | Causes, Types, and Health Impacts Explained

Sound Fields and Noise Measurement

Concept of Sound Power, Sound Intensity & Sound Pressure

Sources, Effects and Control of Soil Pollution

Effects and Control of Water Pollution

Sources of Water Pollution

Sources, Effects and Control Measures for Air Pollution

Environmental Management System (EMS) | ISO 14001:2015 Explained | EMS Practices in India

Biodiversity and its Conservation

Sustainable Development Explained | Conservation, Equitable Use & Common Property Resources

Food Security in India: Dimensions, Challenges & Solutions | PDS, MSP, Antyodaya Yojana Explained

Food Resources

Energy Resources Part-2 | Hydrogen Energy & Biomass Energy Explained with Biogas Plant

Energy Resources: Part-1 (Solar Energy & Hydropower Energy)

Mineral Resources | Types, Uses, Exploitation & Environmental Impacts Explained

Rainwater Harvesting & Forest Resources | Importance, Methods, Components & Deforestation Explained

Waterborne Diseases & Fluoride in Drinking Water | Causes, Effects, Prevention & Nalgonda Process

Types of Natural Resources & Water Resources Explained | Aquifer, Surface Water, Hydrologic Cycle

Environmental Impact Assessment (EIA): Methods, Process, and Benefits Explained

Nitrogen & Carbon Cycle Explained | Nitrogen Fixation, Nitrification, Denitrification & Carbon Sink

Types of Ecosystems | Forest, Grassland, Desert & Aquatic Ecosystems Explained with Examples

Ecological Pyramids | Types of Ecological Pyramids (Numbers, Biomass & Energy) with Diagrams

Ecosystem Explained | Food Chain, Food Web, Energy Flow & Trophic Levels

Atmospheric Stability and Temperature Inversion | Lapse Rate, Inversions, and Stability Conditions

Atmosphere and Biosphere Explained | Layers of Atmosphere (Troposphere to Exosphere) with Diagrams

Structure & Composition of Earth | Lithosphere, Mantle, Core & Hydrosphere Explained

Environment: Definition, Components, Scope & Importance | Environmental Studies Explained

Outcome-Based Education and Bloom's Taxonomy

National Credit Framework (NCrF) Explained | Principles, Learning Hours, RPL & Benefits