Global Warming Causes

There are two main causes, not just one, that lead to increase the global temperature and every day scientists find new way of causing global warming that is related to one or both of these two main causes. The first direct cause is is man-made which has the most destruction effect on our environment. This cause is represented clearly in burning fossil fuels, cutting down forests and yet another one is the population that increases the consumption of food, transportation, and expanding the agricultural lands, which help in increasing the global temperature. Another main cause is natural and it is represented in the concentration of several natural greenhouse gases such as, Methane gas (CH4) which release from the arctic and wetlands that plays a role in raising Global temperature, carbon dioxide (CO2) and other greenhouse gases. Another suggested natural cause of this increasing in Global temperatures is the variation in the sun radiation from time to time due to the amount of dust in the atmosphere and in addition to that is the regular earth cycle.