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Pollution or as more commonly known evniromental polution is a presence or introduction of a substance which has harmful or poisonous effects to the enviroment.

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The problem occurs when there is an additional substance in the enviroment that can be solid, gas, liquid or energy that can be sound, heat or radioactivity that is disbursed in the envirement at a higher rate faster than it can be diluted, decomposed, recycled, or stored in some harmless form. The medium can be an ecosystem, a physical environment or a living being.

It is always a negative alteration of the natural state of the environment, and generally, it is generated as a consequence of human activity, considering it a form of environmental impact.

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Pollution can be classified according to the type of source from which it comes, or by the form of pollutant that emits or means that pollutes. There are many pollutants among them chemicals (such as pesticides, cyanide, herbicides and others.), Urban waste, oil, or ionizing radiation. All these can produce diseases, damage to ecosystems or the environment. In addition, there are many gaseous pollutants that play an important role in different atmospheric phenomena, such as the generation of acid rain, the weakening of the ozone layer, and climate change.

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WHAT WILL HAPPEN IN 30 YEARS IF THE PROBLEM CONTINUES? 

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WHAT WILL HAPPEN IN 30 YEARS IF THE PROBLEM CONTINUES? 

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"At mid-century, the evidence of climate change, in aspects that may not yet be very visible, will be incontestable," says expert Manuel de Castro. Many countries will not have the economic capacity to implement adaptation measures that avoid the most adverse impacts.

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Acid rain is a problem that is spreading more and more in the world and it is of great environmental gravity that this happens.

Acid rain occurs as a result of a high concentration in the air of sulfuric acid and nitric acid produced by air pollution through various sources, mainly power plants, industrial activity, the combustion of automobiles among others.
This phenomenon can not only manifest in acid rain drops but also in dew, fog, snow, hail.
Acid rain produces serious environmental consequences such as the destruction and alteration of complete ecosystems, especially in aquatic ones, but it also damages the soil, animal species, vegetation, including human constructions made of stone, steel, cement, plastic and generates serious problems for the health of the population in contact with it.

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The rise in the mean sea level since 1900 has been about 20 centimeters, and the projected values ​​for 2050 are between 24 and 29 centimeters more
is due to the thermal expansion of water, the expansion of a material that is heated, but also of the melting of glaciers and ice masses in Greenland, Arctic and Antarctic.

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Pollution prevention or pollution entry control is a production solution that reduces or eliminates the production of pollutants, often by changing chemical compounds or using less harmful processes.
How to prevent the pollution
Pollution can be avoided (or at least reduced) with the four "R's" of resource utilization:
- Reject: do not use
- Reduce
- Reuse
- Recycle

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- We make the polar ice caps do not melt so that the sea level does not rise.
-We help the ozone layer does not open completely.
-We make the seas, lakes, places with water do not pollute and create different types of dangers.
- We help the earth, oxygen can be better.
-We make living beings in the world not extinguish apart from humans.

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THE COUNTRY:
By the middle of the century, the Arctic will be an ice-free ocean in summer, with important shipping and marine transport routes, as well as large ports and associated infrastructures.
THE SPECIES:
The Arctic in 20 years: Many species associated with ice habitat, such as polar bears, seals, walruses and algae, will be in a critical state of conservation or will have become extinct, while many others, such as cod, prawns, algal forests and underwater meadows will have spread creating new ecosystems with new functions and services to society

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Temperatures will continue to rise and, by 2050, the global average will be between one and two degrees higher than now, depending on how many greenhouse gases are emitted.

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The layer that protects us from the ultraviolet rays of the sun, the ozone layer, has decreased by 40%, in the last 4 months, in the Arctic.
The most harmful pollutants for the ozone layer are chlorofluorocarbonate and halon gases.
Animals and plants also suffer consequences due to the lack of ozone layer. Ultraviolet rays can change the chemical composition and quality of plants and crops. Under the sea, the smallest and weakest species, responsible for eliminating carbon dioxide, can be damaged. This situation can affect the food chain and contribute to the existence of more polluting gases and global warming.