It is off no doubt that air pollution is one of the most acute issues in our days. The precious air that we inhale every day of our life gives us a chance to survive in this fast changing world. But do we understand the value of this gift given us by nature? Multiple facts of air pollution in different countries all around the world indicate that we don’t. There are many causes of air pollution and, unfortunately, most of them are the result of human activities. Let’s focus on some of the most serious causes of air pollution and how it influences on the ecological state of our planet.
One of the main pollutants is carbon dioxide. All the living beings exhale some amount of this gas, but when emitted from other sources, such as industrial projects, it becomes harmful due to excessive emission of it. Carbon dioxide generates from burning of fossil fuels such as gasoline and natural gas. In the past 150 years cars, planes, power plants and other human activities have pumped enough carbon dioxide into the atmosphere to raise its levels higher than they have been for hundreds of thousands of years.
Carbon monoxide is another gas that is now considered to be a major pollutant. It is also produced due to any fuel burning appliances such as gas water heaters, wood stoves, fireplaces, gas stoves, gas dryers as well as the automobiles, factories and many other objects. It increases proportion of this gas in the atmosphere, causing the formation of smog that could be seeing in big cities.
Smog also consists of such gas as sulfur dioxide that could be cause of acid rain when combined with nitrogen dioxide. Sulfur dioxide is emitted to the excessive burning of fossil fuels, petroleum refineries, chemical and coal burning power plants etc. Sulfur dioxide and closely related chemicals also reflect light when released in the atmosphere, which keeps sunlight out and causes Earth to cool.
These are just the major air pollutants. There are many other dangerous substances that cause air pollution, which can lead to such serious issues as appearance of ozone holes in the atmosphere and global warming. The current ecological situation requires a deep research and high level of involvement of all the people on the planet because we are all responsible for our environment.
Unfortunately, today we need to know not only how to prevent air pollution, but also explore ways of solving the problems that already exist due to our activities. People need to learn how to appreciate what they were given and use the resources they have economically and efficiently. Worldwide integration to this problem should help us find the right solution and prevent dangerous effects of the air pollution.
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