An Introduction to the issue of Global Warming

Global warming is one of the main issues that have been highlighted and discussed during the last 5 years. The term global warming refers to the increasing in the average of Earth’s temperature. Some researchers believe that it has appeared since the mid twentieth century. This essay summarizes the causes and the effects of global warming.
Starting with the causes, the majority of scientists believe that there are three main causes for the global warming. Firstly, the green house gases; where the intergovernmental panels on climate change highlighted that green house gases are the major responsible of the increasing in Earth’s temperature. Secondly, natural phenomena; such as solver variation and volcanoes, those natural phenomena can play a small role in warming effects. Finally, human activities could also play a huge role in developing this issue and increase it.
Of course this issue has several effects on the Earth itself and on human. First effect is climate changing; which lead to several things such as changes in rain fall amounts, rises in sea level, plants, human, wild life and so on. Secondly, increasing in the intensity of extreme wealth events, so people would expect any evens at any time. Moreover, agriculture would fall down because of the climate changes and the trading between countries would definitely loss. Finally, increasing in diseases numbers where climate changes and the heating could affect human negatively.
In conclusion, the global warming is an important phenomenon that affects the live of the people, the planet and even the animals. Governments should set strict rules to protect their countries from the global warming affects