EVM 202 — ELEMENTS OF ENVIROMENTAL MANAGEMENT: Lecture Note

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This is the complete lecture note for EVM 202 ELEMENTS OF ENVIROMENTAL MANAGEMENT. You can read it online below, open it in the full viewer, or download the PDF for offline study. It pairs with the course's video lectures, so you can read and watch together.

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LA-NET | ONLINE LEARNING VIDEO PLATFORM FOR POST-SECONDARY & HIGHER INSTITUTION STUDENTS

LA-NET | ONLINE LEARNING VIDEO PLATFORM FOR POST-SECONDARY & HIGHER INSTITUTION STUDENTS Series 1 Course code: EVM 202 Course title: Elements of Environmental Management Course credit load: 2 Units List of Series: • Series 1: Foundations of Environmental Management and Regulations • Series 2: Air Pollution and Control Strategies • Series 3: Water Pollution and Treatment Approaches • Series 4: Solid Waste Types and Management Techniques • Series 5: Pollution Prevention, Risk Communication, and Environmental Education Series 1: Foundations of Environmental Management and Regulations Series Outline • Part 1 (1.1): Overview of Environmental Management Sub-Part 1.1.1: Meaning and scope of environmental management Sub-Part 1.1.2: Key principles and goals of environmental management • Part 2 (1.2): Environmental Issues and Pollutants Sub-Part 1.2.1: Types of major environmental issues Sub-Part 1.2.2: Classification and sources of pollutants • Part 3 (1.3): Environmental Regulations and Policy Frameworks Sub-Part 1.3.1: Overview of environmental laws and regulations Sub-Part 1.3.2: Roles of regulatory bodies and stakeholders

LA-NET | ONLINE LEARNING VIDEO PLATFORM FOR POST-SECONDARY & HIGHER INSTITUTION STUDENTS • Part 4 (1.4): Approaches to Environmental Management Sub-Part 1.4.1: Preventive and corrective management strategies Sub-Part 1.4.2: Sustainable development and integrated approaches Introduction The environment sustains all forms of life, yet human activities continue to place enormous pressure on natural systems through pollution, resource depletion, and habitat destruction. Understanding how these pressures arise and how they can be managed is at the heart of environmental management. As you begin this course, it is important to appreciate that protecting the environment is not simply a technical challenge; it is also a matter of policy, regulation, and responsible behaviour. The aim of this Series is to introduce you to the foundational concepts of environmental management, acquaint you with the major environmental issues facing the world today, and familiarise you with the regulatory frameworks that guide efforts to address these issues. We shall commence this Series by examining the meaning and scope of environmental management, followed by a discussion of its key principles and goals. Next, we will explore the types of major environmental issues and the classification of pollutants. Afterwards, we will consider the laws, regulations, and policy frameworks that govern environmental protection, as well as the roles of regulatory bodies and stakeholders. Finally, we will conclude by examining the various approaches to environmental management, including preventive strategies, corrective measures, and sustainable development practices. Series Learning Outcomes Upon completing this Series, you should be able to: • SLO 1.1 define the meaning and scope of environmental management, • SLO 1.2 explain the key principles and goals of environmental management, • SLO 1.3 identify and describe the major types of environmental issues, • SLO 1.4 classify pollutants according to their types and sources, • SLO 1.5 describe the key environmental regulations and policy frameworks, and • SLO 1.6 evaluate the approaches used in managing environmental challenges.

LA-NET | ONLINE LEARNING VIDEO PLATFORM FOR POST-SECONDARY & HIGHER INSTITUTION STUDENTS

LA-NET | ONLINE LEARNING VIDEO PLATFORM FOR POST-SECONDARY & HIGHER INSTITUTION STUDENTS 1.1 Overview of Environmental Management 1.1.1 Meaning and Scope of Environmental Management Environmental management refers to the systematic process of identifying, analysing, and addressing human impacts on the natural environment. It involves the application of scientific knowledge, policy tools, and social frameworks to protect natural resources, reduce pollution, and ensure that the environment can continue to support human well-being. You can think of it as a structured effort to balance human needs with the capacity of the natural world to sustain life. The scope of environmental management is broad. It covers areas such as air quality, water resources, land use, biodiversity, and waste management. It also extends to issues of climate change, environmental health, and the social dimensions of environmental governance. In practice, environmental management draws on disciplines such as ecology, law, economics, and engineering, making it an inherently interdisciplinary field. Fill in the blank: The systematic process of identifying and addressing human impacts on the natural environment is known as __________. 1.1.2 Key Principles and Goals of Environmental Management Effective environmental management is guided by a set of core principles. The principle of sustainability holds that resources should be used in ways that meet present needs without compromising the ability of future generations to meet their own needs. The precautionary principle advises that where there is a risk of serious or irreversible environmental damage, action should be taken even in the absence of complete scientific certainty. Other important principles include the polluter pays principle, which holds that those who cause environmental damage should bear the costs of managing it, and the principle of integration, which calls for environmental considerations to be embedded in all sectors of policy and decision-making. The goals of environmental management include protecting human health, conserving biodiversity, maintaining ecosystem services, and promoting equitable access to environmental resources.

LA-NET | ONLINE LEARNING VIDEO PLATFORM FOR POST-SECONDARY & HIGHER INSTITUTION STUDENTS Fill in the blank: The principle that resource use should meet present needs without compromising future generations is called __________. Short description: Diagram showing the key principles of environmental management arranged as interconnected elements, including sustainability, the precautionary principle, the polluter pays principle, and integration. Figure 1.1 Core principles of environmental management Pilot Questions 1.1 1. Define environmental management. 2. State two areas covered by the scope of environmental management. 3. Explain the principle of sustainability in environmental management. 4. Identify one goal of environmental management. 5. Describe how the polluter pays principle applies to environmental management.

LA-NET | ONLINE LEARNING VIDEO PLATFORM FOR POST-SECONDARY & HIGHER INSTITUTION STUDENTS 1.2 Environmental Issues and Pollutants 1.2.1 Types of Major Environmental Issues The world faces a wide range of environmental challenges, many of which are interconnected. Climate change is among the most significant, driven by the accumulation of greenhouse gases such as carbon dioxide and methane in the atmosphere. It leads to rising temperatures, changing precipitation patterns, and more frequent extreme weather events. Closely related is the problem of air pollution, which affects both outdoor and indoor environments and poses serious risks to human health. Water pollution involves the contamination of rivers, lakes, groundwater, and oceans through industrial discharges, agricultural runoff, and domestic sewage. Soil degradation and land pollution result from improper waste disposal, mining, and the overuse of chemical fertilisers and pesticides. Deforestation and biodiversity loss represent another critical category of environmental issues, as the destruction of habitats reduces the variety of life on Earth and undermines the functioning of ecosystems. Understanding these issues helps you appreciate the urgency and breadth of environmental management efforts. Fill in the blank: The accumulation of greenhouse gases such as carbon dioxide and methane in the atmosphere contributes to __________. 1.2.2 Classification and Sources of Pollutants A pollutant is any substance or energy introduced into the environment that causes harmful or undesirable effects. Pollutants are broadly classified into physical, chemical, and biological categories. Physical pollutants include excessive heat, noise, and radiation. Chemical pollutants encompass a wide range of substances, from heavy metals like lead and mercury to organic compounds such as pesticides and industrial solvents. Biological pollutants include pathogens like bacteria and viruses that contaminate water and food sources. Pollutants may also be classified by their source. Point source pollution originates from a single, identifiable location, such as a factory discharge pipe or a sewage outlet. Non-point source pollution, by contrast, comes from diffuse sources spread over a wide area, such as agricultural runoff or urban

LA-NET | ONLINE LEARNING VIDEO PLATFORM FOR POST-SECONDARY & HIGHER INSTITUTION STUDENTS stormwater. Understanding the types and sources of pollutants is essential for designing effective management strategies. Fill in the blank: Pollution that originates from a single, identifiable location is known as __________ source pollution. Short description: Diagram classifying types of pollutants into physical, chemical, and biological categories, with examples listed under each category. Figure 1.2 Classification of environmental pollutants Pilot Questions 1.2 1. Define the term pollutant. 2. List two major environmental issues discussed in this Part. 3. Explain the difference between point source and non-point source pollution. 4. Identify one example each of a physical and a chemical pollutant. 5. Describe how agricultural runoff contributes to water pollution.

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