Humans can create light pollution, a problem that happens when too much city light escapes into the night sky. Describe two examples of problems caused by light pollution. (Cite 1)

Following are two examples of problems caused by light pollution.

Light pollution sometimes makes it difficult to carry out astronomical activities. Light pollution disturbs the living of nocturnal animals by making the night appear like a day.

Explanation:

For stargazers and astronomical hobbyists, light pollution plays the role of a major obstacle. Excessive light reflects from the particulate matter in the atmosphere making the sky appear like opaque glass. In such a situation, getting to observe the spatial objects properly is impossible. Also, nocturnal beings that set out in the search of food in the night are disturbed by the pollution caused by the light.

I can really only think of one but the light pollution blocks out the night sky and less stars are visible, but if you go out into the country you see hundreds of stats rather than just 10 or something.