Try to analyse the advantages and disadvantages of the advertisement

The purpose of an ad is to influence you to purchase the product. If you select one brand of product over another brand of product, say a loaf of bread which you need, that's one thing. But, if you go out and purchase a product you don't need because an ad convinced you that you "had to have it", that's excessive consumption, which is wasteful.

Also, ads sometimes position a product as a status symbol - the cool thing to have - and if someone can't afford that product and buys a lesser expensive version (say, sneakers) they might beridiculed by their peers.

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Chernobyl Catastrophe  

       On the 26 of April 1986 a catastrophe broke out 12 kilometers off the Belarusian border. It was the major break-down of the power unit at the Chernobyl nuclear power station. It is the most severe catastrophe throughout the entire world history of the atomic energy use by its scale, complexity and long-term consequences. As the result of the explosion of the failed reactor a huge amount of radioactive substances was released into the atmosphere. Later on they left the large fall-out "spots" on the ground surface. 23% of the territory of Belarus, 4.8% of the territory of the Ukraine and 0.5% of the territory of Russia were contaminated. The radiation situation was determined by radionuclide with the period of half-decay from 8 days till 24390 years.

After the Chernobyl accident Belarus has become the zone of the ecological disaster. The situation got worse because radioactive contamination coincided with the formerly existing zones of high chemical pollution. 260.000 hectares of agricultural lands are forbidden to use for farming purposes. Thousands of hectares of forests are contaminated with radioactive elements. The Chernobyl catastrophe has affected the destinies of millions of people. The radioactive contamination of the ecosystems has created the conditions for making it impossible to conduct the agricultural production and manage forestry in the normal way for many decades. In order to decrease the influence of radiation on the people considerable work was done during the post-accident period. Measures were taken to evacuate the people from the most dangerous districts, to provide for their medical check-up and treatment. Various measures were almost carried out - radioactive decontamination, agricultural treatment of soil, provision of clean food. However, these measures are not enough yet. And international co-operation in this field serves the interests of the entire mankind.