Global warming refers to the increase in average temperature near the earth’s surface and in its oceans. Climate change is another term used interchangeably with global warming. However, climate change may encompass other changes in climate besides increases in temperature.

Global warming is one of the most popular topics of news programs and worldwide media. The basic assertion of global warming is that the surface of the earth is increasing in temperature. That assertion also implies that human industrial activities are responsible for this temperature increase.