An environment is the natural surrounding which close relationship between living organism and non-living thing.
Overall environment are cover and protects us from the natural disasters. In other word we can call it is a biggest home with a biggest family. The natural environment is one which exist naturally such as trees,rivers,stones and animal and the one made from human such as building,farm,house,road and factory. Therefor the green house gases increase because factory and farm expands.
Global warming is caused by the expansion of the factory. Since the factory has the production or waste out and may be unable to control the amount of damage or toxins.
The accumulation of gas and waste emissions from the factory. When the amount of increasing the atmosphere was destroyed, resulting in not three rod lining radiation UV meanwhile heat cannot transfer to outer world. Nowadays the global warming is one of the biggest trouble in the world. If we still ignore to this trouble in future it will be the never-ending problem.