Pollution and Climate Change

• Pollution and Climate Change 6:21

Types of Pollution

• Types of Pollution 22:56

Pollution Their Causes and Effect

• Pollution Their Causes and Effect 8:18

Ways to Reduce Pollution

• Ways to Reduce Pollution 9:58

Green House Gases and Global Warming

• Green House Gases and Global Warming 11:46

Some Harmful Effect of Ozone Layer Depletion

• Some Harmful Effect of Ozone Layer Depletion 12:45

Question Answer

• Question Answer 16:52

Exercise

• Exercise 15:19