Human beings breathe in air and exhale carbon dioxide. Our bodies (more specifically, our cells) consume oxygen present in the air and generate carbon dioxide through cellular respiration. While plants also respire to an extent, through photosynthesis they consume carbon dioxide and produce oxygen.
If the population of a particular place is increasing, we will find that the air quality (generally) will be deteriorating. For a growing population, more infrastructure and utilities are needed. For...
Human beings breathe in air and exhale carbon dioxide. Our bodies (more specifically, our cells) consume oxygen present in the air and generate carbon dioxide through cellular respiration. While plants also respire to an extent, through photosynthesis they consume carbon dioxide and produce oxygen.
If the population of a particular place is increasing, we will find that the air quality (generally) will be deteriorating. For a growing population, more infrastructure and utilities are needed. For example, more houses, more roads (or wider roads), more electricity, water, etc. are required for a growing population. These developments generally come at the expense of green cover or plants. If that were to happen, we would have less production of oxygen and less removal of carbon dioxide. Even if plants are not removed, a larger population means more quantity of carbon dioxide will be generated, while the plant population will stay more or less the same. A higher population will also mean more fuel consumption and consequently a higher generation of gases (such as carbon dioxide, nitrogenous and/or sulfurous gases, etc.).
All of these effects will combine to reduce the air quality of the region.
Hope this helps.
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