2025年1月31日 · People and governments can respond quickly and effectively to reduce air pollution. Chemicals called chlorofluorocarbons (CFCs) are a dangerous form of air pollution …

2024年11月15日 · Air pollution consists of chemicals or particles in the air that can harm the health of humans, animals and plants. It can even damage buildings.

2024年10月1日 · What is air pollution? Learn how greenhouse gases, smog, and toxic pollutants effect climate change, and human health.

2023年10月19日 · Runoff is a major source of water pollution. As the water runs along a surface, it picks up litter, petroleum, chemicals, fertilizers, and other toxic substances.

2024年4月1日 · Light pollution, the excessive or inappropriate use of outdoor artificial light, is affecting human health, wildlife behavior, and our ability to observe stars and other celestial objects.

2024年10月1日 · It is pollution that comes from many places, all at once. The United States Environmental Protection Agency (EPA) defines point source pollution as any contaminant that enters the environment from an easily identified and confined place.

2024年10月1日 · Smog is air pollution that reduces visibility. The term "smog" was first used in the early 1900s to describe a mix of smoke and fog. The smoke usually came from burning coal. Smog was common in industrial areas, and remains a familiar sight in some cities today. Today, most of the smog we see is photochemical smog.

2024年9月18日 · Marine pollution is a growing problem in today’s world. 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 economic reasons.

Air pollutant emissions have an effect on human and environmental health. Particulate emissions (the visible pollutants) can be inhaled into the nose and lungs.

2024年10月1日 · Air pollution happens when harmful byproducts, like exhaust from cars, enter the air. These pollutants can clog the atmosphere with smog, a combination of smoke and fog.