Global Warming Write a short article about the threat of global warming. Include the following points: • causes of global warming • how vehicles, homes and industrial pollution add to the problem • what should be done? • possible alternative energy sources we could use The Global Warming The process as the average global temperature grows is called global warming. There occur desertification, deforestation and extreme weather as a consequence of global warming, so that is a serious global threat. The climate of Earth changes constantly, therefore the climate altering may be a natural phenomenon, but the scientists do not agree on that point. Many of them say that the climate changing exists due to the industrialization and the increasing amount of greenhouse gases in the atmosphere could cause the whole problem, as according to them the main cause of global warming is the greenhouse effect. I quite agree with them. Actually there was greenhouse effect before the emergence of human race, but industrial activity raised the efficiency of greenhouse effect. The explanation of greenhouse effect is shortly the following. There is a given amount of solar radiation coming from the Sun towards our planet and the atmosphere has an abundant quantity of particular gases which interact with the different types of solar radiation to alter the temperature balance of Earth. The most important greenhouse gases are water vapour and carbon-dioxide. Higher amount of these means more efficient greenhouse effect and faster change in global temperature. Accordingly the vehicles, households and power plants can change the climate of Earth as they burn fossil fuels in order to get energy and the product of burning fossil fuels is mainly carbon-dioxide. Consequently we have to reduce the used quality of fossil fuels to lower the amount of CO2 in the atmosphere. However we need energy, for this reason we must look after alternative solutions, such as harvesting energy form the movement of air masses (wind) as well as water mass movement could be used (e.g. streams). Though, the application of power plants using alternative energy source is in an initial phase, hopefully with these new technologies and methods the global warming will not mean serious problems as the main cause will be abolished.