The anthropogenic activities are those related to the influence of man in nature. The term "anthropogenic" has been used especially to talk about the amount of carbon dioxide found in the atmosphere, produced by human activities and with a great effect on contemporary climate change..
The action of man on the environment has also been the most important cause of the presence of metals in agricultural soils. These metals are highly mobile and toxic to living organisms. In addition, anthropogenic activities produce dangerous chemicals, although this also happens with many natural events.
Certain anthropogenic activities have been shown to disturb some species. The pollutants produced by anthropogenic action can be organic (fertilizers or pesticides) or of inorganic origin, including heavy metals..
When we refer to climate change, the acronym AGW is often used, which stands for Anthropogenic Global Warming (Anthropogenic Global Warming). It is a way of highlighting that climate changes are caused by man.
The word "anthropogenic" comes from the Greek. It is the union between anthropos, which means "man", and genos, what does "origin" mean.
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The term "anthropogenic" was first used by Russian geologist Alexey Pavlov to refer to human influences on plant communities. Since the beginning of history, human beings have managed to modify their environment and influence the environment.
For scientists, more than 90% of global warming has been a consequence of emissions from humans in their activities, especially after the Industrial Revolution. However, even in the pre-industrial era, humans used the environment and its resources for their survival..
The first negative impact of the human being on the environment began when he adopted a more sedentary lifestyle. At that time the lands began to adapt to be inhabited and for agricultural and livestock activities. Due to this, it is believed that deforestation is one of the first anthropogenic activities of which there is evidence.
In more recent times came industrialization, and with it its consequences for the production of waste. It is estimated that it was in the year 1851 when the effects of anthropogenic activities began to be really significant. In that year the average temperature already showed a significant variation.
There are different types of pollution caused by anthropogenic activities, such as atmospheric, water, soil, radioactive, visual, light, acoustic or garbage. Anthropogenic climate change is characterized by the introduction of a large amount of energy into the atmosphere.
At present, many extreme meteorological phenomena appear, the product of anthropogenic action, especially due to the pollutants that we generate. Man-made pollutants can be primary or secondary.
The primary ones have to do with substances dumped directly by man into the atmosphere or onto the earth. It can occur, for example, by the use of aerosols, pesticides, sulfur oxide or carbon monoxide. Man generates secondary pollutants when primary pollutants are transformed.
There are two types of emissions in pollution by anthropogenic action. Controlled issuance is that which occurs with specialist control and following a series of rules. Then there is accidental emission, which is the product of industrial accidents..
Anthropogenic pollution has the effect of degrading the environment, and has harmed the planet since its appearance. The action of man has caused a decline in biodiversity and the extinction of some species. In total, it is said that there are 29% fewer amphibians, birds or fish in the world since the beginning of this process.
Global warming also occurs as a result of increased concentrations of carbon dioxide in the atmosphere by human action. Land and its productivity, as well as the oceans and the ozone layer, have been affected over the years.
Also the human being himself has suffered the consequences of his own actions. Global warming and pollution have been shown to have negative effects on people's health.
There are many examples of anthropogenic activities, as well as different events that demonstrate the effect of these actions. There are many different sources of pollutants: industries, deforestation, mining, the use of transport or construction.
For example, industries release gases and dust into the atmosphere and cause air, water, and land pollution. Pollution in this sector is caused by combustion when burning fossil fuels to run industrial machines or generate electricity (vehicles or thermal power plants).
For example, the cement industry contributes to the emission of CO2 into the environment and it is estimated that it produces 5% of man-made emissions. One of the most extreme examples of this was the Great London Fog. During the year 1952, over four days a great environmental pollution was visible due to the burning of fuels. Thousands of people are estimated to have died and many more became ill.
The loss of diversity in forests and other natural habitats is attributed to anthropogenic factors. Deforestation and overexploitation of resources affect the structure, dynamics and species present in these areas. Deforestation increases the greenhouse effect, leading to increased global warming.
Historically, the use of fire, although it represented an important advance in human development, had a strong impact on the ecosystem. For example, in Australia the large number of fires caused by mankind caused species such as the marsupial lion to disappear completely..
Agriculture, used since the beginning of human history, has meant the redirection of water, and has caused pollution by the use of chemicals, pesticides or fertilizers. Thus, the impact of this activity has been very high.
During the 60s and 70s temperatures were experienced much colder than usual globally. Some scientists claim that this was the product of nuclear tests, which the United States, France, the Soviet Union, China and the United Kingdom were already carrying out..
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