Question

why do we need to keep the air clean​

Answer 1

Answer:

Here are some simple actions you can take to reduce air pollution and to keep the air cleaner.

Walk, bike, carpool, or take public transit.

Reduce your heating needs by making your house more energy efficient. ...

Say no to backyard burning.

Use hand-powered garden tools. ...

Know before you go. ...

Check your tire pressure.

Explanation:

#Hope_it_Helps

Answer 2

Answer:

1. By breathing cleaner air, the World Health Organization states that you can reduce the risk of stroke, heart disease, lung cancer and respiratory diseases such as asthma. An air purifier from Blueair removes airborne pollutants and thereby greatly reduces the health effects associated with breathing bad indoor air.