Introduction
Global warming refers to the increase in the earth’s surface temperature because of greenhouse gases. Greenhouse gases such as carbon dioxide, which originate from burning or combustion of fossil fuels that trap heat which would rather escape from earth (Simon). Global warming an also refer to the projected and observed increase in the earth’s atmosphere and the oceans. From the definition, it follows that global warming resulted from enhancement of the greenhouse effect, primarily caused by pollution.
Global warming causes climatic change and it is a concern to policy makers. In 2007, the UN intergovernmental climate change ...