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The Relationship of Humans and Air Pollution
Transcript of The Relationship of Humans and Air Pollution
Air pollution is the presence of chemicals in the atmosphere in concentrations high enough to harm organisms, ecosystems, or human-made materials.
What is air pollution?
Human inputs of outdoor air pollutants occur mostly in industrial and urban areas where people, cars, and factories are concentrated. In fact, some of the most harmful ozone-depleting substances are commonly used in the everyday household. Humans also burn fossil fuels to create energy to run our cars or heat our houses. This process releases lead and mercury into the air.
What causes air pollution
Being exposed to air pollution can cause heart disease, lung cancer, and respiratory diseases such as emphysema and asthma. Also, the thinning of the ozone causes increased amounts of UV radiation to reach the Earth, which can lead to more cases of skin cancer, cataracts, and impaired immune systems.
The United States Congress has passed the Clean Air Acts to try to regulate sulfur and carbon pollution
What countries are doing to lower pollution output
Montreal Protocol has been signed by many western countries to reduce ozone-depleting substances.