Global Warming is a dangerous effect on our environment that we are facing these days. Rapid industrialization, increase in the population growth and pollution are causing a rise in Global Warming. Global Warming refers to the increase in the average temperature of the earth's surface during the last century.Global warming refers to the rising global temperatures of the Earth's atmosphere. It's primarily caused by the increase in greenhouse gases, such as carbon dioxide emissions from burning fossil fuels and deforestation. As a result, we see melting polar ice and rising sea levels.