smog, fog, smoke from a fire
cars, cigarettes, factory exhausts...
While cows produce large amounts of methane gas, which can be harmful to the environment, they are not the biggest air polluters. Humans cause the majority of air pollution from burning fossil fuels, improperly disposing of waste, using harmful chemical products, etc.
Green plants are not polluters. They absorb carbon dioxide and release oxygen (a good thing), remove pollutants from air (a good thing), fix nitrogen into nitrates (a good thing)
fouling
The name given to people who make rivers dirty are called polluters. More specifically they could be called water way polluters or simply river polluters.
Polluters.
One to Grow On - 1982 Noise Polluters was released on: USA: 1987
Australia had a carbon price, paid by the big polluters. However, a new government wants to scrap that scheme and move to one where they pay the polluters to reduce their emissions.
Primary polluters are air pollutants that come directly from a source. A volcanic eruption is an example of a primary pollutant.
Yes. The engines burnt Gasoline or Diesel which are fossil fuels giving off carbon dioxide. In those days these engines were very "Dirty" polluters.
Humans are the largest polluters in ecosystems.
Because of the Environmental Protection Agency (EPA) monitoring various industrial facilities, giving hefty fines out to those that are major polluters.
Americans, they are the greatest polluters in the world.