Greening

December 13, 2025

Energy Resources and their Impact on Environment -7B

📘 Lecture Notes Introduction to Environmental Science Clean and Green Energy Resources 1. Energy and Life on Earth Energy forms the backbone of modern civilization. Every part of human life, including transportation, industry, agriculture, communication, and household...

December 13, 2025

Understanding Carbon Footprint - Lecture 7A -

📌 1. What Is a Carbon Footprint? A carbon footprint measures the amount of greenhouse gas (GHG) produced by a person, product, company, event, or country. It includes gases like carbon dioxide (CO₂) and methane (CH₄) that trap heat in the atmosphere and contribute to climate change....

November 11, 2025

Electric Vehicles and Environmental Health: A Pathway to Cleaner Cities - Lecture 4

Video of this Lecture is available HERE The rapid growth of transportation systems has transformed modern life while also causing severe environmental damage. Traffic-related air pollution (TRAP) remains one of the biggest health threats globally, linked to millions of deaths each...

November 2, 2025

74/25 Lecture 6 ECOSYSTEM - The Secret Harmony of Life: How Everything on Earth Is Connected?

Lecture Video is available HERE Walk outside on a sunny day, and the quiet miracle of life at work surrounds you. The air you breathe, the tree that shades you, the soil beneath your feet — all belong to a vast, interconnected web known as the ecosystem. It’s...

October 25, 2025

73/25 Lecture 5B Understanding Smog and Air Pollution - Lessons from History and the Case of Lahore

Video for this Lecture is available HERE Smog, a dense, toxic mixture of smoke and fog, has emerged as one of the most pressing environmental and public health challenges in urban centers worldwide. While often dismissed as a seasonal inconvenience, smog carries profound...

October 25, 2025

72/25 Lecture 5A Air Quality Index #AQI

Video for this Lecture is Available HERE The Air Quality Index (AQI) is a communication tool created by the U.S. Environmental Protection Agency (EPA) to help the public understand how clean or polluted the air is and what it means for their health. Essentially, AQI translates...

October 22, 2025

71/25 Lecture 3D - The Role of Environmental Scientists and the Ethical Foundation of Environmental Science

Your Role as Future Environmental Scientists Environmental science is not an exercise in memorization; it is a discipline of awareness, analysis, and action. It teaches us to observe nature, like how air, water, soil, and life interact in intricate balance. Every forest, river, or patch of...

October 22, 2025

70/25 Lecture 3C Understanding Earth’s Ecosystem Services and Human Well-being

Video for Lecture 3C is available HERE Earth’s Ecosystem Services Ecosystem services are our planet's (Earth) life-support systems, nature’s invisible yet indispensable work that sustains human civilization. These services represent humans' benefits from...

October 21, 2025

69/25 Lecture 3B - Systems, Human–Environment Interaction, and Sustainable Living

For Lecture 3B Video Click HERE 🌍 Lecture Notes Systems, Human–Environment Interaction, and Sustainable Living What is a System in Environmental Science? Lecture Narrative Today, we step into one of the most fascinating ideas in...

October 21, 2025

68/25 Lecture 3A Understanding the Importance of Studying the Environment - Introduction Environmental Science

Video for this Lecture is available HERE Narrative Overview Today, we begin by exploring a fundamental question — Why study the environment? To understand this, we must first recognize that nature is the ultimate life-support system. Long before humans appeared, Earth had already...