The part of the sentence "contributor to air pollution" is correct and usable in written English.
You can use it whenever you are discussing a cause of air pollution. For example, "Increased industrialization has been a major contributor to air pollution."
A spokesman for Heathrow said: "The airport is a small but material contributor to air pollution levels in the area.
(Any kind of charcoal, however, releases more particulate matter than propane, which makes charcoal a greater contributor to air pollution. There are few easy choices in environmental analysis).
Vehicles are a key contributor to air pollution but, a year after the VW emissions scandal broke, most new diesel cars still emit far more toxic nitrogen oxides on the road than the official lab-based limit.
Vehicle emissions are a significant contributor to air pollution, which is why in Europe the maximum sulphur content of diesel has been set at 10 parts per million (ppm) since 2009.
In the coming decades, road transport is likely to remain a large contributor to air pollution, especially in urban areas.
Air pollution has a huge and negative impact on society, and idling engines are a major contributor to air pollution.
Vehicles emit pollutants that are significant contributors to air pollution inside and at the outlet of tunnels.
Their model uses diesel exhaust as the air pollutant of interest and also includes the biggest contributors to air pollution such as particulate matter, polycyclic aromatic hydrocarbons, and carbon monoxide.
Even though they are major contributors to air pollution, China and India have not been required to sign the Kyoto protocol because they are considered developing countries.
Oceangoing vessels, including oil tankers, container ships and cruise ships are major contributors to air pollution in many cities with large commercial ports.
Bus riders, probably among the lowest contributors to air pollution, nonetheless received high exposures while waiting on busy streets, the sensors found.
