An informative essay contains three parts. The first part is the introduction. It is used to grab the attention of the reader and introduce the present topic. The second part is the bulk of the essay and contains all of the important facts being covered. The last part is the conclusion.
Global Warming is the increase of Earth's average surface temperature due to effect of greenhouse gases, such as carbon dioxide emissions from burning fossil fuels or from deforestation, which trap heat that would otherwise escape from Earth. This is a type of greenhouse effect.
How to Prepare for Global Warming. Global warming is the gradual increase of the earth's atmospheric temperature. The cause of global warming is the increase of greenhouse gas in the environment. Greenhouse gas comes from carbon dioxide emissions, chlorofluorocarbons and other damaging pollutants.