Unveiling Water Pollution: Causes and Consequences

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Unveiling Water Pollution: Causes and Consequences

Learning objective

Learning Objective

At the end of the lesson, you will understand the main causes of water pollution and their impact on the environment.

What do you already know about water pollution?

What is Water Pollution?

Water pollution occurs when harmful substances contaminate water bodies, degrading water quality and harming aquatic life.

Natural Causes

Natural events like volcanic eruptions, algae blooms, and storms can lead to water pollution by introducing debris and toxins.

Human Causes: Industrial Waste

Industries discharge pollutants like chemicals and heavy metals into water bodies, harming ecosystems.

Human Causes: Agricultural Runoff

Fertilisers and pesticides from farms wash into rivers and lakes, leading to nutrient pollution and harming wildlife.

Human Causes: Sewage and Wastewater

Untreated sewage and wastewater introduce pathogens and chemicals into water bodies, posing health risks.

Human Causes: Plastic Pollution

Plastic waste enters oceans and rivers, harming marine life and ecosystems through ingestion and entanglement.

Preventing Water Pollution

Efforts like reducing waste, treating sewage, and sustainable farming practices help prevent water pollution.

Write down 3 things you learned in this lesson.

Write down 2 things you want to know more about.

Ask 1 question about something you haven't quite understood yet.