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 is a major issue affecting our planet. It's making the Earth's surface temperature go up. Experts say that in the next 50 to 100 years, the temperature will rise a lot, causing big problems for everyone. The main reason for this is the increase in carbon dioxide in the air.