It is not possible to know what year exactly. Air pollution began when the first lightning strike started a wildfire on earth, long before human life existed.
It's happening now and the main start was during the industrial revolution
water ponds
at our earth now you know that xD
everywhere. pollution is a world-wide problem.
Scientists believe that global warming is happening to the earth because of the greenhouse effect and carbon dioxide pollution in the atmosphere.
Plants have been extinct by pollution because we are not taking care about all the issues that are happening on Earth. TAKE ACTION
stop diving your car or bus?
Its happening
Air pollution can start when harmful gases are released into the air. (This happens often at factories.)
Friday
It has been damaging because of pollution and use of other CFC's.
the ozone layer is basically..disappearing. this is happening because of pollution in our atmosphere.