Investigate the impact of pollution on local wildlife by conducting a survey of different animal species in the area and comparing their population and health to areas with lower pollution levels.

Study the effects of air pollution on human health by collecting data on respiratory illnesses and comparing it to pollution levels in different areas of the city.

Examine the sources of water pollution in a local river or lake by conducting water quality tests and identifying potential pollutants such as chemicals or waste.

Research the impact of plastic pollution on marine life by studying the amount of plastic debris in a nearby beach or coastline and its effects on local marine species.

Investigate the effects of noise pollution on wildlife behavior by observing and recording the behavior of animals in areas with high levels of noise pollution compared to quieter areas.

Study the impact of pollution on plant growth by conducting experiments with different levels of pollution exposure and measuring the growth and health of plants over time.

Research the effects of pollution on the quality of soil by collecting soil samples from different areas and analyzing their composition and nutrient levels.

Examine the impact of pollution on the ozone layer by studying ozone levels in different areas and identifying potential sources of ozone-depleting substances.

Investigate the effects of light pollution on nocturnal animals by observing their behavior and activity levels in areas with high levels of artificial light compared to areas with minimal light pollution.

Research the impact of pollution on climate change by analyzing historical climate data and identifying the correlation between pollution levels and changes in temperature or weather patterns.