Pollution is a phenomenon that causes adverse changes in the natural environment. It can be the result of an introduction of any energy or substance into the environment. This can be a natural substance or a foreign substance. It can be caused by an accumulation of waste and can also include radioactive materials. Littering, for example, is a major source of pollution.

Air pollution

Human-made air pollution includes fuel oil emissions from cars, coal-fired power plants, and chemical manufacturing fumes. Natural pollutants, such as sulphur dioxide and methane from decomposing organic matter in the soil, also contribute to air pollution. However, some sources are responsible for more pollution than others.

Two of the most harmful pollutants are carbon dioxide and nitrogen dioxide. Both have been proven to cause adverse effects in humans. The former has been linked to asthma attacks, heart disease, and other respiratory ailments, while the latter is known to damage the environment. As a result, EPA is working with states and local governments to determine what are safe air pollution levels in their jurisdictions.

Soil pollution

Soil pollution is one of the most pressing issues facing society today. Its growing prevalence has led to an increased awareness of the problem and increased action by policy makers. The Food and Agriculture Organization (FAO) recently held a symposium on soil pollution, which brought together more than 500 participants from more than 100 countries.

Soil pollution can affect plant growth and yields by impairing the fertility of soil. Moreover, it can also increase soil acidity. Pollution of soil is a problem that is affecting the economy in numerous ways. It has a negative effect on arthropods and microorganisms, which in turn affect the primary food chain. Furthermore, it may affect predator animals. The harmful chemicals in soil may be ingested by small organisms and may make their way up the food chain, affecting their reproduction and survival.

Radioactive pollution

Radioactive pollution is a result of the release of radioactive materials into the environment. This pollution can seriously affect human, animal and plant life. The level of the damage depends on the concentration of the radioactive material and the type of radiation. High levels can cause cancer and other serious diseases. Small amounts of radiation can cause non-serious problems, such as skin damage.

Currently, there are at least eighty locations around the world where radioactive wastes are dumped. This represents 85 PBq of radioactive waste. A petabecquerel is equivalent to 1015 becquerels. Of these, the largest source is weapon testing. Fuel reprocessing plants are another significant source. These sources have global and local impacts. In the past 50 years, the US has released more than 400 devices – including nuclear weapons and warheads – into the environment. Among these, 40 are considered especially hazardous.


Littering and pollution are the result of human activity, and are harmful to the environment. They also contain chemicals that can leach into water and soil, endangering animals and people. It also has negative effects on tourism, which may decrease in an area where trash is prevalent. Moreover, burning trash can lead to respiratory problems in people and animals.

Littering also contains toxic chemicals that can harm human health. In addition, it affects the quality of water and soil, and can even poison wildlife. These chemicals can enter the human food chain, inhibiting the growth of plants and animals, and affecting human health. In addition, litter is also a source of air pollution, as it releases toxic gases and particulate matter. These emissions cause respiratory problems and can be a starting point for acid rain.

Oil spills

Oil spills and pollution can have devastating effects on the environment. The emissions from these accidents reduce air quality and lead to the loss of vegetation and soil productivity. Frequent spills can also harm wildlife and cause destruction of forests and streams. The impacts of oil spills are far reaching, and there are many ways to prevent future spills. Recent oil spills in the Gulf of Mexico and Prince Williams Sound in Canada have both affected the marine environment.

Oil spills and pollution are a global concern. Oil is a hydrocarbon compound made up of hydrogen and carbon atoms. The chemicals produced by oil production processes can pollute land, air, and water. Oil spills can range from a small amount of oil to millions of gallons. They are especially harmful to marine life, especially marine mammals.

Waste incinerators

There is a strong link between waste incinerators and pollution. A review of 36 studies found that exposure to waste incinerator emissions increased the risk of neoplasia, adverse reproductive outcomes, hypertension, and reduced lung function. However, the research methods used to measure exposure varied greatly. In addition to the differences in measurement methods, some studies did not include all of the relevant factors.

Legislation should include protection for local communities by limiting incinerator development to heavy industrial zones. This would also force agencies to consider the environmental impact of these facilities. It is estimated that as much as 70% of waste can be prevented from entering landfills. For instance, the state of New Jersey mandates that companies use pollution prevention plans and track waste materials across industries. This saves companies an estimated $105 million each year.

Littering in developing countries

Littering is a major problem in developing countries. There are a variety of factors that influence the behavior of individuals to litter, including their socio-demographic profile, perceived behavioural control, and the presence of children. These factors, together with the social context, can help waste managers devise effective interventions and policies.

Despite the widespread problem, there is some hope. Some countries have adopted a culture of ‘trash does not touch the ground’, which encourages households to take responsibility for their own waste. One of the cleanest cities in the world is Kigali, which has formalised the tradition of ‘umuganda’, which involves every able-bodied person of working age. This collective responsibility discourages littering and improves health and hygiene.