
These days, we are often encircled by the issue of global warming. This issue is actually a fact that has been going on for the last fifty years; butit has become obvious and perceptible in the 20th century.
According to what scientists say, global warming is the increase in the temperature of World and it is caused by the gases
emited to the atmosphere by people. These gases by creating a green house effect, prevent the sun rays from reflecting back into the space and this results in the accumulation of heat. According to the scientific observations, the nearest part of the atmosphere has heated by 0.6 centigrade degrees in the 20th century. Climate changes and melting down of glaciers started to gain speed. As it seems , urgent solutions are needed for this situation.






