Global warming is increasing of temperature from green house effect due to human action. Because of fuel burning that is usually for transportation and industry, it can produce the amount of carbondyoxide. Moreover, Nitrous oxide and Chloro-fluorinated carbon are produced by deforestation of human so that give comfort for theirselves. This can cause unefficient carbondyoxide capturing from atmosphere. As a result, what we are facing now is from what we had done before, but it comes in form of global warming.
Despite everyone knows why global warming is the most serious situation, there remains fossil fuel burning such as coal, fuel and natural gas for producing enery. However, it is the essential reason of global warming.
The effect of global warming is weather changing. The weather has totally changed from the past. The disaster such as flooding, eartquake and storm become stronger than before. The another of this change is new epidemic and the epidemic that had been disappered and it also brings a number of carrier.