Air Pollution - National Geographic Society
Oct 1, 2024 · Global warming—a phenomenon caused by anthropogenic air pollution—refers to rising air and ocean temperatures around the world due to an increase in greenhouse gas emissions from human activities. Greenhouse gasses trap heat energy in the Earth’s atmosphere.
Pollution - Education | National Geographic Society
6 days ago · The three major types of pollution are air pollution, water pollution, and land pollution. Air Pollution Sometimes, air pollution is visible. A person can see dark smoke pour from the exhaust pipes of large trucks or factories, for example. More …
Human Impacts on the Environment - Education
Humans impact the physical environment in many ways: overpopulation, pollution, burning fossil fuels, and deforestation. Changes like these have triggered climate change, soil erosion, poor air quality, and undrinkable water.
Smog - Education | National Geographic Society
Oct 1, 2024 · When sunlight hits these chemicals, they form airborne particles and ground-level ozone —or smog. Ozone can be helpful or harmful. The ozone layer high in the atmosphere protects us from the sun’s dangerous ultraviolet radiation. But when ozone is close to the ground, it is bad for human health.
Light Pollution - National Geographic Society
Apr 1, 2024 · 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. That Earthly Sky Glow. Light pollution is a global issue.
Point Source and Nonpoint Sources of Pollution - Education
Oct 1, 2024 · Factories and power plants can be a source of point-source pollution, affecting both air and water. Smokestacks may spew carbon monoxide, heavy metal, sulfur dioxide, nitrogen dioxide, or “particulate matter” (small particles) into the air.
Marine Pollution - Education
Sep 18, 2024 · Marine pollution is a combination of chemicals and trash, most of which comes from land sources and is washed or blown into the ocean. This pollution results in damage to the environment, to the health of all organisms, and to economic structures worldwide.
Noise Pollution - National Geographic Society
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 loss, stress, and high blood pressure.
Landfills - Education | National Geographic Society
May 29, 2024 · Therefore, landfills are still dangerous to the environment and human health. The methane that is released due to the decomposing waste is a potent greenhouse gas that contributes to global climate change. The air pollutants escaping from the . landfill can also cause respiratory problems in people who live close to the landfill.
The World's Plastic Pollution Crisis Explained - Education
Oct 19, 2023 · Plastic pollution has become one of the most pressing environmental issues, as rapidly increasing production of disposable plastic products overwhelms the world’s ability to deal with them. Plastic pollution is most visible in less-wealthy Asian and African nations, where garbage collection systems are often inefficient or nonexistent.