Causes of Air Pollution
Which type of transportation commonly produces air pollution by burning gasoline?
Cars.
Which part of our body is directly affected when we breathe polluted air?
Our lungs and respiratory system.
What is the name of polluted air that can make it difficult to see clearly?
Smog.
What is carpooling?
Sharing a car with other people traveling in the same direction.
Air pollution only affects people who live in big cities.
False. It also affects rural areas.
What two common fuels do cars and trucks burn? What two common fuels do cars and trucks burn?
Gasoline and diesel.
Name one breathing problem that air pollution can cause or make worse.
Asthma or breathing difficulties.
How can air pollution affect plants?
It can damage their leaves and reduce their growth.
Name one way to travel without producing direct exhaust emissions.
Walking or cycling.
Sharing a car with classmates can reduce the number of cars on the road.
True.
What do factories sometimes release into the air?
Harmful gases, smoke, and particles.
Which groups of people are often more vulnerable to air pollution?
Children, older adults, and people with existing health conditions.
What is acid rain?
Rain or other precipitation made more acidic by certain air pollutants.
How can regular vehicle maintenance help reduce air pollution?
It can improve fuel efficiency and help control harmful exhaust emissions.
Air quality sensors can completely remove pollution from the air.
False. They only measure pollution.
Why does burning trash cause air pollution?
Because it releases smoke, harmful gases, and particles into the air.
Besides lung diseases, what other major health problem is linked to air pollution?
Heart disease.
How are air pollution and climate change connected?
Some activities, like burning fossil fuels, release both air pollutants and greenhouse gases.
What is the purpose of installing air quality sensors?
To measure pollution levels and help people make informed decisions.
Air pollution can affect both human health and ecosystems.
True.
Name three human activities that can cause air pollution.
Driving fuel-powered vehicles, industrial activities, and burning trash.
According to WHO estimates, approximately how many premature deaths were caused by outdoor air pollution worldwide in 2019?
About 4.2 million.
What are PM2.5 particles, and why are they dangerous?
They are tiny particles that can enter deep into the lungs and affect health.
Why can electric buses help improve air quality in cities?
They produce no exhaust emissions while driving and can replace more polluting buses.
Electric buses have no environmental impact at all.
False. Their production and electricity supply can still have environmental impacts.