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Fossil Fuels
Pollution can be described as the presence of particles in the environment where they do not belong or in greater numbers than they should be. Some air pollutants are carbon dioxide, carbon monoxide, hydrocarbons, nitrogen oxides, sulfur oxides and ozone, and the most common cause of these pollutants is the burning of fossil fuels by humans. The air pollution caused by fossil fuels can cause global warming, climate change, acid rain and ozone depletion.
Toxic Chemicals
Water pollution is another type of pollution. While there are many different substances that contribute to water pollution, one of the biggest pollutants is toxic chemicals dumped by factories into waterways. Many polluters believe that dumping chemicals into the water dilutes them and makes them safe, but pollution can gather as sediment at the bottom of the body of water or be ingested by animals that are eaten later by humans. Overall, they make a body of water unsafe for human use.
Garbage
Another major pollutant is waste, or garbage. Garbage is a major contributor to land pollution mainly because people produce so much of it on a daily basis and there is no where for it to go but landfills. Many of the items that wind up discarded in landfills are recyclable, and people can decrease the amount of land pollution they cause by recycling nonbiodegradable objects, such as plastic bottles or aluminum cans. Land pollution caused by garbage also can disrupt ecosystems.
Human Health Risks
While those three substances pollute the environment, they also can have a significant effect on the health of the people who are exposed to them on a daily basis. High exposure to air pollution can cause respiratory problems. Contaminated water cannot be used as drinking water. Land pollution can render soil unsafe for growing food. Attempting to cut back on substances that pollute the environment not only help the planet but also the health of people everywhere.