Air Pollution Flashcards, test questions and answers

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What is Air Pollution?

Air pollution is a serious global issue that has been around for centuries. It occurs when the air contains poisonous gases, dust particles, and other toxic substances. These pollutants can come from natural sources such as volcanoes or man-made sources such as factories and vehicles. Air pollution affects not only the environment but also human health in various ways.The main source of air pollution is burning fossil fuels such as coal and gasoline. This releases harmful chemicals into the air which are then inhaled by humans leading to respiratory problems like asthma, bronchitis, and lung cancer. These pollutants can also lead to acid rain which damages crops, trees, and aquatic life. Particulate matter like dust or smoke can cause irritation to eyes, nose, throat and skin while ground-level ozone can worsen existing respiratory problems in people with allergies or asthma.In order to reduce air pollution levels governments have implemented several measures such as reducing vehicle emissions through improved fuel efficiency standards, installing filters on factories to capture pollutants before they enter the atmosphere, planting trees along roadsides which act as natural filters for dust particles ,and encouraging public transportation use instead of private vehicles. Governments have also made it mandatory for industries to switch over from coal-fired power plants to renewable sources like solar power or wind energy ,which help reduce overall emission levels. However despite all these efforts there still remains a long way to go in order to curb air pollution levels. As individuals we should be aware of our carbon footprint ,try not using private transport where possible ,minimize burning materials that release harmful gases into the atmosphere ,and support government policies that encourage clean energy production. Only with collective effort will be able make a difference in reducing air pollution levels worldwide.