Keeping Earth Healthy: Sustainability

The video discusses the impact of using firewood for heating and the potential consequences if everyone did the same. It introduces the concept of sustainability, emphasizing the need to use Earth's resources without depleting them. Examples of unsustainable practices, such as overfishing and excessive water use, are provided to illustrate the problems caused by not living sustainably.

What happens to fish populations when they are overfished?

What is the impact of excessive water usage on rivers and lakes?