Global warming is cause by many factors such as air pollution, deforestation, burning of fuels etc. The biggest business sectors that are contributing to global warming are industry, transportation, residential, commercial and agriculture. Ice and snow covers cool the earth by reflecting sunlight. However, an increase in global warming will melts all the ice and snow eventually thus led to an increase in sea level. Average temperature will also increase. In order to reduce global warming, we need to reduce the amount of green house gases produced and use more clean energy sources such as solar energy. These clean energy sources do not produce the harmful green house gases.