Jun 5, 2025 · These human-made sources of pollution are called anthropogenic sources. Some types of air pollution, such as smoke from wildfires, ash from volcanoes and windblown sand …

Oct 1, 2024 · In the United States, the Clean Air Act and the Clean Water Act have helped to limit both point-source and nonpoint-source pollution. Thanks to these two legislative initiatives, in …

Jul 30, 2025 · Land pollution is closely connected to air and water pollution. For example, landfills —areas where waste is buried beneath layers of earth—can release methane, a powerful …

Oct 1, 2024 · Shanghai's smog is a mixture of pollution from coal, the primary source of energy for most homes and businesses in the region, as well as emissions from vehicles.

Apr 10, 2025 · Today, automobile emissions are a major source of air pollution contributing to climate change, and plastics fill our ocean, creating a significant health hazard to marine animals.

Aug 14, 2025 · In many cases, pollution does not originate from a single source. Instead, pollution from numerous sources combine in a way that makes it difficult to determine the source.

Unfortunately, air pollution has a negative effect on the air we breathe. Air pollution happens when harmful byproducts, like exhaust from cars, enter the air. These pollutants can clog the …

Mar 6, 2024 · Noise pollution can cause health problems for people and wildlife, both on land and in the sea. From traffic noise to rock concerts, loud or inescapable sounds can cause hearing …

Apr 23, 2025 · Our ocean is being flooded with two main types of pollution: chemicals and trash. Chemical contamination, or nutrient pollution, is concerning for health, environmental, and …

Apr 21, 2016 · Use our activity to better understand air quality and factors that contribute to air pollution. Teachers, scroll down for a quick list of key resources, including a link to today’s …