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.

What is methane and why is it significant in the context of air pollution?

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How much methane can herds of cows produce in a day, and what does this equate to in terms of volume?

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