Further, these issues can be caused by humans ( human impact on the environment) or they can be natural. This photograph shows foam on the New River as it enters the United States from Mexico.Įnvironmental issues are disruptions in the usual function of ecosystems. Water pollution is an environmental issue that affects many water bodies. ( March 2020) ( Learn how and when to remove this template message) You may improve this article, discuss the issue on the talk page, or create a new article, as appropriate. The examples and perspective in this article may not represent a worldwide view of the subject.