The Effects of Global Climate Change The humanity has made significant progress in all spheres of life. It is not an exaggeration to say that during the last century more inventions were made, than during the whole of history. Man flew into space, tamed atomic energy, found a way to cure many diseases that were considered incurable, and every new day is marked with a new breakthrough. However, there is a downside. For a long period of time people didn’t think about the consequences of their exponential development.
Vast tracts of forests were cleared for agricultural purposes, thousands of tons of carbon dioxide dissolved in the atmosphere, hundreds of species on animals and plants become extinct every year. The rapid development of humanity renders a bad influence on Earth. One of the examples of these influence’s is climate change. It’s not a secret that a couple of hundreds of years ago the climate on Earth was colder than now. Many scientists warn about what is called global warming – a process of a constant increase of the annual temperature across the whole planet.
For the first time its surge was recorded in the last quarter of the 20th century, and since that time the average temperature had increased by 0,7°?. The further one goes from the equator, the more obvious climate changes become. So what are the possible consequences of global warming? According to the recent reports of the United Nations, during the 21st century the average temperature will rise more than 1, 4-1, 8°? and will cause Arctic glaciers melt faster. The sea level will increase by 10 cm.
It doesn’t seem to possess any danger, but in reality it will become a serious threat for those countries which are located not very high above the sea level. Some specialists predict that till the end of the current century the ocean will rise on the whole a meter. Netherlands, Great Britain, Japan, as well as the islands of Oceania and the Caribbean basin will be at risk. 30-40% of species and ecosystems will become extinct, because their habitat will change much faster than they adapt. If the temperature increases by one degree Celsius dramatic modifications to forests’ composition will occur.
Some species have already begun to react to climate changes. For example, migratory birds start to fly away later in autumn and to come back much earlier in spring. Global warming will negatively affect precipitation maps. In arid regions, such as Central Asia, Australia, and Mediterranean, South Africa and so on, situation will become even more complicated due to the reduction of precipitation. At the same time, some regions may suffer from abnormal cyclones and the heavy rains that have become much more frequent. The recent hurricane in North America may be a demonstration of these processes.
Such changes will have a bad effect on agriculture. Due to warming, it may improve in Northern Europe, but in Southern Europe, Africa and many regions of Asia high temperatures, droughts, floods and soil erosion will cause an irreparable damage. Specialists predict that yields in Africa and Asia will decrease, and Australia and New Zealand will face a great lack of drinking water. A risk of floods in Europe will increase, and the Eastern coast of the United States will undergo increased numbers of hurricanes and soil erosion.
Besides, global warming will create a favorable environment for various diseases, so a dramatic growth of epidemics and pandemics can be expected. Scientists have discovered that Earth warms much faster than it did before, and there is convincing evidence that it is humanity who is responsible for that. At the moment research, which aim is to find solutions for this problem is being conducted. Every country should take action to prevent causing more damage to our planet, because the consequences will be serious for everyone.
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