What can you do to reduce air pollution? You may not do much, but if a lot of people did a little, that would be a lot.
Cars pollute the air and often there is one person in the car. Using a bus is a smart solution because it carries a lot of passengers.
Green plants are useful. Because of the trees we have fresh air.
Solar energy is underutilized in the world. She’s not dangerous.
Is air polluted in your country?