it started in 1200
1973 first year of pollution control devices
Air pollution can start when harmful gases are released into the air. (This happens often at factories.)
Pollution can be unhealthy for the environment as well as individuals.
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.
because they start to die when there is water pollution and that tells us that there is water pollution
They do as much pollution as much the locals do.
cave men started pollution in there own way by leaving bones were they eat.
You can start a Club against pollution at your school.
About 0.3% of the air pollution comes from the Hershey chocolate factory a year
oil pollution effects on sea otters
To a large extent yes. but there are also natural occurrences of water pollution.
pollution