I WONDER - What Is Air Pollution?

The video discusses air pollution, tracing its history from ancient Rome to modern times. It explains that air pollution occurs when harmful chemicals or substances contaminate the air. While today it is mainly caused by cars and factories, in ancient times, it was due to human settlements and livestock, particularly cows, which produce significant amounts of methane, a greenhouse gas. The video highlights the historical and ongoing challenges of air pollution.

When did air pollution first become a recognized issue?

• In the 21st century

• In the 20th century

• In ancient Rome

• During the Industrial Revolution

What is air pollution primarily caused by in modern times?

• Cars and factories

• Natural disasters

• Deforestation

• Agricultural activities

What is a significant source of methane gas in ancient times?

• Volcanic eruptions

• Cows

• Burning wood

• Human waste

How much methane can herds of cows produce daily?

• 100 liters

• 1000 liters

• 200 liters

• 500 liters

How many bathtubs can be filled with the methane produced by cows daily?

• One

• Two

• Four

• Three